25554447

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{10177}}^1$

素因数の和:10220

約数の個数: 20

約数和(自身を含む): 39409216

約数和(自身を除く): 13854769

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 10177, 30531, 91593, 274779, 315487, 824337, 946461, 2839383, 8518149, 25554447]

約数ペア:

[(1, 25554447), (3, 8518149), (9, 2839383), (27, 946461), (31, 824337), (81, 315487), (93, 274779), (279, 91593), (837, 30531), (2511, 10177)]