55240257

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 75385728

約数和(自身を除く): 20145471

約数列:

[1, 3, 53, 159, 263, 789, 1321, 3963, 13939, 41817, 70013, 210039, 347423, 1042269, 18413419, 55240257]

約数ペア:

[(1, 55240257), (3, 18413419), (53, 1042269), (159, 347423), (263, 210039), (789, 70013), (1321, 41817), (3963, 13939)]