16940619

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 26069472

約数和(自身を除く): 9128853

約数列:

[1, 3, 9, 17, 51, 153, 263, 421, 789, 1263, 2367, 3789, 4471, 7157, 13413, 21471, 40239, 64413, 110723, 332169, 996507, 1882291, 5646873, 16940619]

約数ペア:

[(1, 16940619), (3, 5646873), (9, 1882291), (17, 996507), (51, 332169), (153, 110723), (263, 64413), (421, 40239), (789, 21471), (1263, 13413), (2367, 7157), (3789, 4471)]