28136277

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2381}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 44219448

約数和(自身を除く): 16083171

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 2381, 3939, 7143, 11817, 21429, 30953, 92859, 240481, 278577, 721443, 2164329, 3126253, 9378759, 28136277]

約数ペア:

[(1, 28136277), (3, 9378759), (9, 3126253), (13, 2164329), (39, 721443), (101, 278577), (117, 240481), (303, 92859), (909, 30953), (1313, 21429), (2381, 11817), (3939, 7143)]