201612375

素因数分解:

$3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 402554880

約数和(自身を除く): 200942505

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 41, 45, 47, 75, 93, 123, 125, 135, 141, 155, 205, 225, 235, 279, 369, 375, 423, 465, 615, 675, 705, 775, 837, 1025, 1107, 1125, 1175, 1269, 1271, 1395, 1457, 1845, 1927, 2115, 2325, 3075, 3375, 3525, 3813, 3875, 4185, 4371, 5125, 5535, 5781, 5875, 6345, 6355, 6975, 7285, 9225, 9635, 10575, 11439, 11625, 13113, 15375, 17343, 17625, 19065, 20925, 21855, 27675, 28905, 31725, 31775, 34317, 34875, 36425, 39339, 46125, 48175, 52029, 52875, 57195, 59737, 65565, 86715, 95325, 104625, 109275, 138375, 144525, 158625, 158875, 171585, 179211, 182125, 196695, 240875, 260145, 285975, 298685, 327825, 433575, 476625, 537633, 546375, 722625, 857925, 896055, 983475, 1300725, 1429875, 1493425, 1612899, 1639125, 2167875, 2688165, 4289625, 4480275, 4917375, 6503625, 7467125, 8064495, 13440825, 22401375, 40322475, 67204125, 201612375]

約数ペア:

[(1, 201612375), (3, 67204125), (5, 40322475), (9, 22401375), (15, 13440825), (25, 8064495), (27, 7467125), (31, 6503625), (41, 4917375), (45, 4480275), (47, 4289625), (75, 2688165), (93, 2167875), (123, 1639125), (125, 1612899), (135, 1493425), (141, 1429875), (155, 1300725), (205, 983475), (225, 896055), (235, 857925), (279, 722625), (369, 546375), (375, 537633), (423, 476625), (465, 433575), (615, 327825), (675, 298685), (705, 285975), (775, 260145), (837, 240875), (1025, 196695), (1107, 182125), (1125, 179211), (1175, 171585), (1269, 158875), (1271, 158625), (1395, 144525), (1457, 138375), (1845, 109275), (1927, 104625), (2115, 95325), (2325, 86715), (3075, 65565), (3375, 59737), (3525, 57195), (3813, 52875), (3875, 52029), (4185, 48175), (4371, 46125), (5125, 39339), (5535, 36425), (5781, 34875), (5875, 34317), (6345, 31775), (6355, 31725), (6975, 28905), (7285, 27675), (9225, 21855), (9635, 20925), (10575, 19065), (11439, 17625), (11625, 17343), (13113, 15375)]