64670775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3536

約数の個数: 48

約数和(自身を含む): 121242240

約数和(自身を除く): 56571465

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 3491, 3705, 6175, 10473, 17455, 18525, 45383, 52365, 66329, 87275, 136149, 198987, 226915, 261825, 331645, 680745, 862277, 994935, 1134575, 1658225, 2586831, 3403725, 4311385, 4974675, 12934155, 21556925, 64670775]

約数ペア:

[(1, 64670775), (3, 21556925), (5, 12934155), (13, 4974675), (15, 4311385), (19, 3403725), (25, 2586831), (39, 1658225), (57, 1134575), (65, 994935), (75, 862277), (95, 680745), (195, 331645), (247, 261825), (285, 226915), (325, 198987), (475, 136149), (741, 87275), (975, 66329), (1235, 52365), (1425, 45383), (3491, 18525), (3705, 17455), (6175, 10473)]