81462855

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2383}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 135945216

約数和(自身を除く): 54482361

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 2279, 2383, 6837, 7149, 11395, 11915, 34185, 35745, 102469, 126299, 307407, 378897, 512345, 631495, 1537035, 1894485, 5430857, 16292571, 27154285, 81462855]

約数ペア:

[(1, 81462855), (3, 27154285), (5, 16292571), (15, 5430857), (43, 1894485), (53, 1537035), (129, 631495), (159, 512345), (215, 378897), (265, 307407), (645, 126299), (795, 102469), (2279, 35745), (2383, 34185), (6837, 11915), (7149, 11395)]