201901977

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{80407}}^1$

素因数の和:80450

約数の個数: 20

約数和(自身を含む): 311339776

約数和(自身を除く): 109437799

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 80407, 241221, 723663, 2170989, 2492617, 6512967, 7477851, 22433553, 67300659, 201901977]

約数ペア:

[(1, 201901977), (3, 67300659), (9, 22433553), (27, 7477851), (31, 6512967), (81, 2492617), (93, 2170989), (279, 723663), (837, 241221), (2511, 80407)]