1520207997

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 2669635584

約数和(自身を除く): 1149427587

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 83, 141, 147, 231, 241, 249, 329, 517, 539, 581, 723, 913, 987, 1551, 1617, 1687, 1743, 2303, 2651, 2739, 3619, 3901, 4067, 5061, 6391, 6909, 7953, 10857, 11327, 11703, 11809, 12201, 18557, 19173, 20003, 25333, 27307, 33981, 35427, 42911, 44737, 55671, 60009, 75999, 79289, 81921, 124597, 128733, 129899, 134211, 140021, 191149, 220033, 237867, 300377, 373791, 389697, 420063, 555023, 573447, 660099, 872179, 901131, 940141, 980147, 1540231, 1665069, 2102639, 2616537, 2820423, 2940441, 4620693, 6105253, 6307917, 6580987, 10341551, 10781617, 18315759, 19742961, 31024653, 32344851, 46066909, 72390857, 138200727, 217172571, 506735999, 1520207997]

約数ペア:

[(1, 1520207997), (3, 506735999), (7, 217172571), (11, 138200727), (21, 72390857), (33, 46066909), (47, 32344851), (49, 31024653), (77, 19742961), (83, 18315759), (141, 10781617), (147, 10341551), (231, 6580987), (241, 6307917), (249, 6105253), (329, 4620693), (517, 2940441), (539, 2820423), (581, 2616537), (723, 2102639), (913, 1665069), (987, 1540231), (1551, 980147), (1617, 940141), (1687, 901131), (1743, 872179), (2303, 660099), (2651, 573447), (2739, 555023), (3619, 420063), (3901, 389697), (4067, 373791), (5061, 300377), (6391, 237867), (6909, 220033), (7953, 191149), (10857, 140021), (11327, 134211), (11703, 129899), (11809, 128733), (12201, 124597), (18557, 81921), (19173, 79289), (20003, 75999), (25333, 60009), (27307, 55671), (33981, 44737), (35427, 42911)]