15690854169

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{280339}}^1$

素因数の和:281042

約数の個数: 20

約数和(自身を含む): 23473428880

約数和(自身を除く): 7782574711

約数列:

[1, 3, 9, 27, 81, 691, 2073, 6219, 18657, 55971, 280339, 841017, 2523051, 7569153, 22707459, 193714249, 581142747, 1743428241, 5230284723, 15690854169]

約数ペア:

[(1, 15690854169), (3, 5230284723), (9, 1743428241), (27, 581142747), (81, 193714249), (691, 22707459), (2073, 7569153), (6219, 2523051), (18657, 841017), (55971, 280339)]