80937423

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21061}}^1$

素因数の和:21135

約数の個数: 24

約数和(自身を含む): 135807776

約数和(自身を除く): 54870353

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 21061, 63183, 147427, 189549, 442281, 1284721, 1326843, 3854163, 8993047, 11562489, 26979141, 80937423]

約数ペア:

[(1, 80937423), (3, 26979141), (7, 11562489), (9, 8993047), (21, 3854163), (61, 1326843), (63, 1284721), (183, 442281), (427, 189549), (549, 147427), (1281, 63183), (3843, 21061)]