208042005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{815851}}^1$

素因数の和:815876

約数の個数: 16

約数和(自身を含む): 352448064

約数和(自身を除く): 144406059

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 815851, 2447553, 4079255, 12237765, 13869467, 41608401, 69347335, 208042005]

約数ペア:

[(1, 208042005), (3, 69347335), (5, 41608401), (15, 13869467), (17, 12237765), (51, 4079255), (85, 2447553), (255, 815851)]