31277025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 108

約数和(自身を含む): 65819572

約数和(自身を除く): 34542547

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 37, 39, 45, 51, 65, 75, 85, 111, 117, 153, 185, 195, 221, 225, 255, 289, 325, 333, 425, 481, 555, 585, 629, 663, 765, 867, 925, 975, 1105, 1275, 1443, 1445, 1665, 1887, 1989, 2405, 2601, 2775, 2925, 3145, 3315, 3757, 3825, 4329, 4335, 5525, 5661, 7215, 7225, 8177, 8325, 9435, 9945, 10693, 11271, 12025, 13005, 15725, 16575, 18785, 21645, 21675, 24531, 28305, 32079, 33813, 36075, 40885, 47175, 49725, 53465, 56355, 65025, 73593, 93925, 96237, 108225, 122655, 139009, 141525, 160395, 169065, 204425, 267325, 281775, 367965, 417027, 481185, 613275, 695045, 801975, 845325, 1251081, 1839825, 2085135, 2405925, 3475225, 6255405, 10425675, 31277025]

約数ペア:

[(1, 31277025), (3, 10425675), (5, 6255405), (9, 3475225), (13, 2405925), (15, 2085135), (17, 1839825), (25, 1251081), (37, 845325), (39, 801975), (45, 695045), (51, 613275), (65, 481185), (75, 417027), (85, 367965), (111, 281775), (117, 267325), (153, 204425), (185, 169065), (195, 160395), (221, 141525), (225, 139009), (255, 122655), (289, 108225), (325, 96237), (333, 93925), (425, 73593), (481, 65025), (555, 56355), (585, 53465), (629, 49725), (663, 47175), (765, 40885), (867, 36075), (925, 33813), (975, 32079), (1105, 28305), (1275, 24531), (1443, 21675), (1445, 21645), (1665, 18785), (1887, 16575), (1989, 15725), (2405, 13005), (2601, 12025), (2775, 11271), (2925, 10693), (3145, 9945), (3315, 9435), (3757, 8325), (3825, 8177), (4329, 7225), (4335, 7215), (5525, 5661)]