1968705

素因数分解:

$3^4\times 5^1\times {\mathrm{4861}}^1$

素因数の和:4878

約数の個数: 20

約数和(自身を含む): 3529812

約数和(自身を除く): 1561107

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4861, 14583, 24305, 43749, 72915, 131247, 218745, 393741, 656235, 1968705]

約数ペア:

[(1, 1968705), (3, 656235), (5, 393741), (9, 218745), (15, 131247), (27, 72915), (45, 43749), (81, 24305), (135, 14583), (405, 4861)]