9978975

素因数分解:

$3^2\times 5^2\times {\mathrm{44351}}^1$

素因数の和:44367

約数の個数: 18

約数和(自身を含む): 17873856

約数和(自身を除く): 7894881

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 44351, 133053, 221755, 399159, 665265, 1108775, 1995795, 3326325, 9978975]

約数ペア:

[(1, 9978975), (3, 3326325), (5, 1995795), (9, 1108775), (15, 665265), (25, 399159), (45, 221755), (75, 133053), (225, 44351)]