86123655

素因数分解:

$3^4\times 5^1\times {\mathrm{212651}}^1$

素因数の和:212668

約数の個数: 20

約数和(自身を含む): 154385352

約数和(自身を除く): 68261697

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 212651, 637953, 1063255, 1913859, 3189765, 5741577, 9569295, 17224731, 28707885, 86123655]

約数ペア:

[(1, 86123655), (3, 28707885), (5, 17224731), (9, 9569295), (15, 5741577), (27, 3189765), (45, 1913859), (81, 1063255), (135, 637953), (405, 212651)]