66616455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261241}}^1$

素因数の和:261266

約数の個数: 16

約数和(自身を含む): 112856544

約数和(自身を除く): 46240089

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 261241, 783723, 1306205, 3918615, 4441097, 13323291, 22205485, 66616455]

約数ペア:

[(1, 66616455), (3, 22205485), (5, 13323291), (15, 4441097), (17, 3918615), (51, 1306205), (85, 783723), (255, 261241)]