12659247

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:804

約数の個数: 20

約数和(自身を含む): 19006680

約数和(自身を除く): 6347433

約数列:

[1, 3, 9, 27, 81, 373, 419, 1119, 1257, 3357, 3771, 10071, 11313, 30213, 33939, 156287, 468861, 1406583, 4219749, 12659247]

約数ペア:

[(1, 12659247), (3, 4219749), (9, 1406583), (27, 468861), (81, 156287), (373, 33939), (419, 30213), (1119, 11313), (1257, 10071), (3357, 3771)]