80703

素因数分解:

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

素因数の和:84

約数の個数: 24

約数和(自身を含む): 141360

約数和(自身を除く): 60657

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 1281, 1323, 1647, 2989, 3843, 8967, 11529, 26901, 80703]

約数ペア:

[(1, 80703), (3, 26901), (7, 11529), (9, 8967), (21, 3843), (27, 2989), (49, 1647), (61, 1323), (63, 1281), (147, 549), (183, 441), (189, 427)]