442665

素因数分解:

$3^4\times 5^1\times {\mathrm{1093}}^1$

素因数の和:1110

約数の個数: 20

約数和(自身を含む): 794244

約数和(自身を除く): 351579

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1093, 3279, 5465, 9837, 16395, 29511, 49185, 88533, 147555, 442665]

約数ペア:

[(1, 442665), (3, 147555), (5, 88533), (9, 49185), (15, 29511), (27, 16395), (45, 9837), (81, 5465), (135, 3279), (405, 1093)]