1818145

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 2614248

約数和(自身を除く): 796103

約数列:

[1, 5, 7, 35, 41, 49, 181, 205, 245, 287, 905, 1267, 1435, 2009, 6335, 7421, 8869, 10045, 37105, 44345, 51947, 259735, 363629, 1818145]

約数ペア:

[(1, 1818145), (5, 363629), (7, 259735), (35, 51947), (41, 44345), (49, 37105), (181, 10045), (205, 8869), (245, 7421), (287, 6335), (905, 2009), (1267, 1435)]