28637679

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12511}}^1$

素因数の和:12630

約数の個数: 16

約数和(自身を含む): 44042240

約数和(自身を除く): 15404561

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 12511, 37533, 87577, 262731, 1363699, 4091097, 9545893, 28637679]

約数ペア:

[(1, 28637679), (3, 9545893), (7, 4091097), (21, 1363699), (109, 262731), (327, 87577), (763, 37533), (2289, 12511)]