1520767521

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1652

約数の個数: 128

約数和(自身を含む): 3065610240

約数和(自身を除く): 1544842719

約数列:

[1, 3, 7, 9, 13, 17, 21, 23, 27, 39, 51, 63, 69, 91, 117, 119, 153, 161, 189, 207, 221, 273, 299, 351, 357, 391, 459, 483, 621, 663, 819, 897, 1071, 1173, 1449, 1547, 1583, 1989, 2093, 2457, 2691, 2737, 3213, 3519, 4347, 4641, 4749, 5083, 5967, 6279, 8073, 8211, 10557, 11081, 13923, 14247, 15249, 18837, 20579, 24633, 26911, 33243, 35581, 36409, 41769, 42741, 45747, 56511, 61737, 73899, 80733, 99729, 106743, 109227, 137241, 144053, 185211, 188377, 242199, 254863, 299187, 320229, 327681, 349843, 432159, 473317, 555633, 565131, 618953, 726597, 764589, 960687, 983043, 1049529, 1296477, 1419951, 1695393, 1856859, 2293767, 2448901, 3148587, 3313219, 3889431, 4259853, 4332671, 5086179, 5570577, 6881301, 7346703, 8046389, 9445761, 9939657, 12779559, 12998013, 16711731, 22040109, 24139167, 29818971, 38994039, 56324723, 66120327, 72417501, 89456913, 116982117, 168974169, 217252503, 506922507, 1520767521]

約数ペア:

[(1, 1520767521), (3, 506922507), (7, 217252503), (9, 168974169), (13, 116982117), (17, 89456913), (21, 72417501), (23, 66120327), (27, 56324723), (39, 38994039), (51, 29818971), (63, 24139167), (69, 22040109), (91, 16711731), (117, 12998013), (119, 12779559), (153, 9939657), (161, 9445761), (189, 8046389), (207, 7346703), (221, 6881301), (273, 5570577), (299, 5086179), (351, 4332671), (357, 4259853), (391, 3889431), (459, 3313219), (483, 3148587), (621, 2448901), (663, 2293767), (819, 1856859), (897, 1695393), (1071, 1419951), (1173, 1296477), (1449, 1049529), (1547, 983043), (1583, 960687), (1989, 764589), (2093, 726597), (2457, 618953), (2691, 565131), (2737, 555633), (3213, 473317), (3519, 432159), (4347, 349843), (4641, 327681), (4749, 320229), (5083, 299187), (5967, 254863), (6279, 242199), (8073, 188377), (8211, 185211), (10557, 144053), (11081, 137241), (13923, 109227), (14247, 106743), (15249, 99729), (18837, 80733), (20579, 73899), (24633, 61737), (26911, 56511), (33243, 45747), (35581, 42741), (36409, 41769)]