201399291

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{6263}}^1$

素因数の和:6672

約数の個数: 20

約数和(自身を含む): 301661712

約数和(自身を除く): 100262421

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 6263, 10719, 18789, 32157, 56367, 169101, 507303, 2486411, 7459233, 22377699, 67133097, 201399291]

約数ペア:

[(1, 201399291), (3, 67133097), (9, 22377699), (27, 7459233), (81, 2486411), (397, 507303), (1191, 169101), (3573, 56367), (6263, 32157), (10719, 18789)]