99975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 174592

約数和(自身を除く): 74617

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 775, 1075, 1333, 2325, 3225, 3999, 6665, 19995, 33325, 99975]

約数ペア:

[(1, 99975), (3, 33325), (5, 19995), (15, 6665), (25, 3999), (31, 3225), (43, 2325), (75, 1333), (93, 1075), (129, 775), (155, 645), (215, 465)]