71281281

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{2267}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 97542144

約数和(自身を除く): 26260863

約数列:

[1, 3, 47, 141, 223, 669, 2267, 6801, 10481, 31443, 106549, 319647, 505541, 1516623, 23760427, 71281281]

約数ペア:

[(1, 71281281), (3, 23760427), (47, 1516623), (141, 505541), (223, 319647), (669, 106549), (2267, 31443), (6801, 10481)]