28055403

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11173}}^1$

素因数の和:11216

約数の個数: 20

約数和(自身を含む): 43265728

約数和(自身を除く): 15210325

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11173, 33519, 100557, 301671, 346363, 905013, 1039089, 3117267, 9351801, 28055403]

約数ペア:

[(1, 28055403), (3, 9351801), (9, 3117267), (27, 1039089), (31, 905013), (81, 346363), (93, 301671), (279, 100557), (837, 33519), (2511, 11173)]