18207765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23801}}^1$

素因数の和:23829

約数の個数: 24

約数和(自身を含む): 33418008

約数和(自身を除く): 15210243

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 23801, 71403, 119005, 214209, 357015, 404617, 1071045, 1213851, 2023085, 3641553, 6069255, 18207765]

約数ペア:

[(1, 18207765), (3, 6069255), (5, 3641553), (9, 2023085), (15, 1213851), (17, 1071045), (45, 404617), (51, 357015), (85, 214209), (153, 119005), (255, 71403), (765, 23801)]