261967473

素因数分解:

$3^3\times {\mathrm{1637}}^1\times {\mathrm{5927}}^1$

素因数の和:7573

約数の個数: 16

約数和(自身を含む): 388402560

約数和(自身を除く): 126435087

約数列:

[1, 3, 9, 27, 1637, 4911, 5927, 14733, 17781, 44199, 53343, 160029, 9702499, 29107497, 87322491, 261967473]

約数ペア:

[(1, 261967473), (3, 87322491), (9, 29107497), (27, 9702499), (1637, 160029), (4911, 53343), (5927, 44199), (14733, 17781)]