157217985

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{85213}}^1$

素因数の和:85265

約数の個数: 24

約数和(自身を含む): 279161064

約数和(自身を除く): 121943079

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 85213, 255639, 426065, 766917, 1278195, 3493733, 3834585, 10481199, 17468665, 31443597, 52405995, 157217985]

約数ペア:

[(1, 157217985), (3, 52405995), (5, 31443597), (9, 17468665), (15, 10481199), (41, 3834585), (45, 3493733), (123, 1278195), (205, 766917), (369, 426065), (615, 255639), (1845, 85213)]