991125

素因数分解:

$3^2\times 5^3\times {\mathrm{881}}^1$

素因数の和:902

約数の個数: 24

約数和(自身を含む): 1788696

約数和(自身を除く): 797571

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 881, 1125, 2643, 4405, 7929, 13215, 22025, 39645, 66075, 110125, 198225, 330375, 991125]

約数ペア:

[(1, 991125), (3, 330375), (5, 198225), (9, 110125), (15, 66075), (25, 39645), (45, 22025), (75, 13215), (125, 7929), (225, 4405), (375, 2643), (881, 1125)]