64388625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1335

約数の個数: 64

約数和(自身を含む): 128993280

約数和(自身を除く): 64604655

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 285, 375, 399, 475, 525, 665, 875, 1291, 1425, 1995, 2375, 2625, 3325, 3873, 6455, 7125, 9037, 9975, 16625, 19365, 24529, 27111, 32275, 45185, 49875, 73587, 96825, 122645, 135555, 161375, 171703, 225925, 367935, 484125, 515109, 613225, 677775, 858515, 1129625, 1839675, 2575545, 3066125, 3388875, 4292575, 9198375, 12877725, 21462875, 64388625]

約数ペア:

[(1, 64388625), (3, 21462875), (5, 12877725), (7, 9198375), (15, 4292575), (19, 3388875), (21, 3066125), (25, 2575545), (35, 1839675), (57, 1129625), (75, 858515), (95, 677775), (105, 613225), (125, 515109), (133, 484125), (175, 367935), (285, 225925), (375, 171703), (399, 161375), (475, 135555), (525, 122645), (665, 96825), (875, 73587), (1291, 49875), (1425, 45185), (1995, 32275), (2375, 27111), (2625, 24529), (3325, 19365), (3873, 16625), (6455, 9975), (7125, 9037)]