64165875

素因数分解:

$3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 107627520

約数和(自身を除く): 43461645

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 375, 417, 695, 1231, 2085, 3475, 3693, 6155, 10425, 17375, 18465, 30775, 52125, 92325, 153875, 171109, 461625, 513327, 855545, 2566635, 4277725, 12833175, 21388625, 64165875]

約数ペア:

[(1, 64165875), (3, 21388625), (5, 12833175), (15, 4277725), (25, 2566635), (75, 855545), (125, 513327), (139, 461625), (375, 171109), (417, 153875), (695, 92325), (1231, 52125), (2085, 30775), (3475, 18465), (3693, 17375), (6155, 10425)]