68217255

素因数分解:

$3^3\times 5^1\times {\mathrm{505313}}^1$

素因数の和:505327

約数の個数: 16

約数和(自身を含む): 121275360

約数和(自身を除く): 53058105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 505313, 1515939, 2526565, 4547817, 7579695, 13643451, 22739085, 68217255]

約数ペア:

[(1, 68217255), (3, 22739085), (5, 13643451), (9, 7579695), (15, 4547817), (27, 2526565), (45, 1515939), (135, 505313)]