31490775

素因数分解:

$3^4\times 5^2\times {\mathrm{15551}}^1$

素因数の和:15573

約数の個数: 30

約数和(自身を含む): 58335552

約数和(自身を除く): 26844777

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 15551, 46653, 77755, 139959, 233265, 388775, 419877, 699795, 1166325, 1259631, 2099385, 3498975, 6298155, 10496925, 31490775]

約数ペア:

[(1, 31490775), (3, 10496925), (5, 6298155), (9, 3498975), (15, 2099385), (25, 1259631), (27, 1166325), (45, 699795), (75, 419877), (81, 388775), (135, 233265), (225, 139959), (405, 77755), (675, 46653), (2025, 15551)]