81171375

素因数分解:

$3^1\times 5^3\times {\mathrm{233}}^1\times {\mathrm{929}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 135794880

約数和(自身を除く): 54623505

約数列:

[1, 3, 5, 15, 25, 75, 125, 233, 375, 699, 929, 1165, 2787, 3495, 4645, 5825, 13935, 17475, 23225, 29125, 69675, 87375, 116125, 216457, 348375, 649371, 1082285, 3246855, 5411425, 16234275, 27057125, 81171375]

約数ペア:

[(1, 81171375), (3, 27057125), (5, 16234275), (15, 5411425), (25, 3246855), (75, 1082285), (125, 649371), (233, 348375), (375, 216457), (699, 116125), (929, 87375), (1165, 69675), (2787, 29125), (3495, 23225), (4645, 17475), (5825, 13935)]