489769011

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{140617}}^1$

素因数の和:140672

約数の個数: 20

約数和(自身を含む): 748650232

約数和(自身を除く): 258881221

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 140617, 421851, 1265553, 3796659, 6046531, 11389977, 18139593, 54418779, 163256337, 489769011]

約数ペア:

[(1, 489769011), (3, 163256337), (9, 54418779), (27, 18139593), (43, 11389977), (81, 6046531), (129, 3796659), (387, 1265553), (1161, 421851), (3483, 140617)]