81208533

素因数分解:

$3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{1669}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 126412320

約数和(自身を除く): 45203787

約数列:

[1, 3, 7, 21, 49, 147, 331, 993, 1669, 2317, 5007, 6951, 11683, 16219, 35049, 48657, 81781, 245343, 552439, 1657317, 3867073, 11601219, 27069511, 81208533]

約数ペア:

[(1, 81208533), (3, 27069511), (7, 11601219), (21, 3867073), (49, 1657317), (147, 552439), (331, 245343), (993, 81781), (1669, 48657), (2317, 35049), (5007, 16219), (6951, 11683)]