30781439997

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 55772812800

約数和(自身を除く): 24991372803

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 199, 231, 289, 331, 357, 539, 561, 597, 833, 867, 993, 1309, 1393, 1617, 2023, 2189, 2317, 2499, 3179, 3383, 3641, 3927, 4179, 5627, 6069, 6567, 6951, 9163, 9537, 9751, 10149, 10923, 14161, 15323, 16219, 16881, 22253, 23681, 25487, 27489, 29253, 37213, 39389, 42483, 45969, 48657, 57511, 61897, 65869, 66759, 71043, 76461, 95659, 107261, 111639, 118167, 155771, 165767, 172533, 178409, 185691, 197607, 260491, 275723, 286977, 321783, 402577, 433279, 461083, 467313, 497301, 535227, 632621, 669613, 724559, 781473, 827169, 1052249, 1119773, 1207731, 1299837, 1383249, 1823437, 1897863, 2008839, 2173677, 2818039, 3032953, 3156747, 3227581, 3359319, 4428347, 4687291, 5071913, 5470311, 7365743, 7838411, 8454117, 9098859, 9682743, 12317503, 13285041, 14061873, 15215739, 19036141, 22097229, 23515233, 30998429, 35503391, 36952509, 51560201, 54868877, 57108423, 86222521, 92995287, 106510173, 133252987, 154680603, 164606631, 209397551, 258667563, 399758961, 603557647, 628192653, 932770909, 1465782857, 1810672941, 2798312727, 4397348571, 10260479999, 30781439997]

約数ペア:

[(1, 30781439997), (3, 10260479999), (7, 4397348571), (11, 2798312727), (17, 1810672941), (21, 1465782857), (33, 932770909), (49, 628192653), (51, 603557647), (77, 399758961), (119, 258667563), (147, 209397551), (187, 164606631), (199, 154680603), (231, 133252987), (289, 106510173), (331, 92995287), (357, 86222521), (539, 57108423), (561, 54868877), (597, 51560201), (833, 36952509), (867, 35503391), (993, 30998429), (1309, 23515233), (1393, 22097229), (1617, 19036141), (2023, 15215739), (2189, 14061873), (2317, 13285041), (2499, 12317503), (3179, 9682743), (3383, 9098859), (3641, 8454117), (3927, 7838411), (4179, 7365743), (5627, 5470311), (6069, 5071913), (6567, 4687291), (6951, 4428347), (9163, 3359319), (9537, 3227581), (9751, 3156747), (10149, 3032953), (10923, 2818039), (14161, 2173677), (15323, 2008839), (16219, 1897863), (16881, 1823437), (22253, 1383249), (23681, 1299837), (25487, 1207731), (27489, 1119773), (29253, 1052249), (37213, 827169), (39389, 781473), (42483, 724559), (45969, 669613), (48657, 632621), (57511, 535227), (61897, 497301), (65869, 467313), (66759, 461083), (71043, 433279), (76461, 402577), (95659, 321783), (107261, 286977), (111639, 275723), (118167, 260491), (155771, 197607), (165767, 185691), (172533, 178409)]