89217855

素因数分解:

$3^4\times 5^1\times {\mathrm{220291}}^1$

素因数の和:220308

約数の個数: 20

約数和(自身を含む): 159931992

約数和(自身を除く): 70714137

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 220291, 660873, 1101455, 1982619, 3304365, 5947857, 9913095, 17843571, 29739285, 89217855]

約数ペア:

[(1, 89217855), (3, 29739285), (5, 17843571), (9, 9913095), (15, 5947857), (27, 3304365), (45, 1982619), (81, 1101455), (135, 660873), (405, 220291)]