39888855

素因数分解:

$3^4\times 5^1\times {\mathrm{98491}}^1$

素因数の和:98508

約数の個数: 20

約数和(自身を含む): 71505192

約数和(自身を除く): 31616337

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 98491, 295473, 492455, 886419, 1477365, 2659257, 4432095, 7977771, 13296285, 39888855]

約数ペア:

[(1, 39888855), (3, 13296285), (5, 7977771), (9, 4432095), (15, 2659257), (27, 1477365), (45, 886419), (81, 492455), (135, 295473), (405, 98491)]