28330209

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{2137}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 42075840

約数和(自身を除く): 13745631

約数列:

[1, 3, 9, 27, 491, 1473, 2137, 4419, 6411, 13257, 19233, 57699, 1049267, 3147801, 9443403, 28330209]

約数ペア:

[(1, 28330209), (3, 9443403), (9, 3147801), (27, 1049267), (491, 57699), (1473, 19233), (2137, 13257), (4419, 6411)]