2155257

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 24

約数和(自身を含む): 3403400

約数和(自身を除く): 1248143

約数列:

[1, 3, 9, 13, 39, 109, 117, 169, 327, 507, 981, 1417, 1521, 2197, 4251, 6591, 12753, 18421, 19773, 55263, 165789, 239473, 718419, 2155257]

約数ペア:

[(1, 2155257), (3, 718419), (9, 239473), (13, 165789), (39, 55263), (109, 19773), (117, 18421), (169, 12753), (327, 6591), (507, 4251), (981, 2197), (1417, 1521)]