221567105127

素因数分解:

$3^1\times {\mathrm{677}}^1\times {\mathrm{2039}}^1\times {\mathrm{53503}}^1$

素因数の和:56222

約数の個数: 16

約数和(自身を含む): 296009809920

約数和(自身を除く): 74442704793

約数列:

[1, 3, 677, 2031, 2039, 6117, 53503, 160509, 1380403, 4141209, 36221531, 108664593, 109092617, 327277851, 73855701709, 221567105127]

約数ペア:

[(1, 221567105127), (3, 73855701709), (677, 327277851), (2031, 109092617), (2039, 108664593), (6117, 36221531), (53503, 4141209), (160509, 1380403)]