77451921

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 114552360

約数和(自身を除く): 37100439

約数列:

[1, 3, 9, 53, 159, 397, 409, 477, 1191, 1227, 3573, 3681, 21041, 21677, 63123, 65031, 162373, 189369, 195093, 487119, 1461357, 8605769, 25817307, 77451921]

約数ペア:

[(1, 77451921), (3, 25817307), (9, 8605769), (53, 1461357), (159, 487119), (397, 195093), (409, 189369), (477, 162373), (1191, 65031), (1227, 63123), (3573, 21677), (3681, 21041)]