87000885

素因数分解:

$3^4\times 5^1\times {\mathrm{214817}}^1$

素因数の和:214834

約数の個数: 20

約数和(自身を含む): 155957868

約数和(自身を除く): 68956983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 214817, 644451, 1074085, 1933353, 3222255, 5800059, 9666765, 17400177, 29000295, 87000885]

約数ペア:

[(1, 87000885), (3, 29000295), (5, 17400177), (9, 9666765), (15, 5800059), (27, 3222255), (45, 1933353), (81, 1074085), (135, 644451), (405, 214817)]