80924265

素因数分解:

$3^4\times 5^1\times {\mathrm{199813}}^1$

素因数の和:199830

約数の個数: 20

約数和(自身を含む): 145064964

約数和(自身を除く): 64140699

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199813, 599439, 999065, 1798317, 2997195, 5394951, 8991585, 16184853, 26974755, 80924265]

約数ペア:

[(1, 80924265), (3, 26974755), (5, 16184853), (9, 8991585), (15, 5394951), (27, 2997195), (45, 1798317), (81, 999065), (135, 599439), (405, 199813)]