8220285

素因数分解:

$3^4\times 5^1\times {\mathrm{20297}}^1$

素因数の和:20314

約数の個数: 20

約数和(自身を含む): 14736348

約数和(自身を除く): 6516063

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20297, 60891, 101485, 182673, 304455, 548019, 913365, 1644057, 2740095, 8220285]

約数ペア:

[(1, 8220285), (3, 2740095), (5, 1644057), (9, 913365), (15, 548019), (27, 304455), (45, 182673), (81, 101485), (135, 60891), (405, 20297)]