16531857

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2459}}^1$

素因数の和:2554

約数の個数: 20

約数和(自身を含む): 25003440

約数和(自身を除く): 8471583

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2459, 6723, 7377, 22131, 66393, 199179, 204097, 612291, 1836873, 5510619, 16531857]

約数ペア:

[(1, 16531857), (3, 5510619), (9, 1836873), (27, 612291), (81, 204097), (83, 199179), (249, 66393), (747, 22131), (2241, 7377), (2459, 6723)]