13257189

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{14879}}^1$

素因数の和:14902

約数の個数: 20

約数和(自身を含む): 21605760

約数和(自身を除く): 8348571

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 14879, 44637, 133911, 163669, 401733, 491007, 1205199, 1473021, 4419063, 13257189]

約数ペア:

[(1, 13257189), (3, 4419063), (9, 1473021), (11, 1205199), (27, 491007), (33, 401733), (81, 163669), (99, 133911), (297, 44637), (891, 14879)]