2563731

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1064

約数の個数: 20

約数和(自身を含む): 3957184

約数和(自身を除く): 1393453

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 1021, 2511, 3063, 9189, 27567, 31651, 82701, 94953, 284859, 854577, 2563731]

約数ペア:

[(1, 2563731), (3, 854577), (9, 284859), (27, 94953), (31, 82701), (81, 31651), (93, 27567), (279, 9189), (837, 3063), (1021, 2511)]