31317975

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 64162560

約数和(自身を除く): 32844585

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 43, 45, 65, 75, 83, 117, 129, 135, 195, 215, 225, 249, 325, 351, 387, 415, 559, 585, 645, 675, 747, 975, 1075, 1079, 1161, 1245, 1677, 1755, 1935, 2075, 2241, 2795, 2925, 3225, 3237, 3569, 3735, 5031, 5395, 5805, 6225, 8385, 8775, 9675, 9711, 10707, 11205, 13975, 15093, 16185, 17845, 18675, 25155, 26975, 29025, 29133, 32121, 41925, 46397, 48555, 53535, 56025, 75465, 80925, 89225, 96363, 125775, 139191, 145665, 160605, 231985, 242775, 267675, 377325, 417573, 481815, 695955, 728325, 803025, 1159925, 1252719, 2087865, 2409075, 3479775, 6263595, 10439325, 31317975]

約数ペア:

[(1, 31317975), (3, 10439325), (5, 6263595), (9, 3479775), (13, 2409075), (15, 2087865), (25, 1252719), (27, 1159925), (39, 803025), (43, 728325), (45, 695955), (65, 481815), (75, 417573), (83, 377325), (117, 267675), (129, 242775), (135, 231985), (195, 160605), (215, 145665), (225, 139191), (249, 125775), (325, 96363), (351, 89225), (387, 80925), (415, 75465), (559, 56025), (585, 53535), (645, 48555), (675, 46397), (747, 41925), (975, 32121), (1075, 29133), (1079, 29025), (1161, 26975), (1245, 25155), (1677, 18675), (1755, 17845), (1935, 16185), (2075, 15093), (2241, 13975), (2795, 11205), (2925, 10707), (3225, 9711), (3237, 9675), (3569, 8775), (3735, 8385), (5031, 6225), (5395, 5805)]