74989875

素因数分解:

$3^1\times 5^3\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 125379072

約数和(自身を除く): 50389197

約数列:

[1, 3, 5, 15, 25, 75, 125, 311, 375, 643, 933, 1555, 1929, 3215, 4665, 7775, 9645, 16075, 23325, 38875, 48225, 80375, 116625, 199973, 241125, 599919, 999865, 2999595, 4999325, 14997975, 24996625, 74989875]

約数ペア:

[(1, 74989875), (3, 24996625), (5, 14997975), (15, 4999325), (25, 2999595), (75, 999865), (125, 599919), (311, 241125), (375, 199973), (643, 116625), (933, 80375), (1555, 48225), (1929, 38875), (3215, 23325), (4665, 16075), (7775, 9645)]