254091027

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 366992640

約数和(自身を除く): 112901613

約数列:

[1, 3, 17, 51, 73, 139, 219, 417, 491, 1241, 1473, 2363, 3723, 7089, 8347, 10147, 25041, 30441, 35843, 68249, 107529, 172499, 204747, 517497, 609331, 1160233, 1827993, 3480699, 4982177, 14946531, 84697009, 254091027]

約数ペア:

[(1, 254091027), (3, 84697009), (17, 14946531), (51, 4982177), (73, 3480699), (139, 1827993), (219, 1160233), (417, 609331), (491, 517497), (1241, 204747), (1473, 172499), (2363, 107529), (3723, 68249), (7089, 35843), (8347, 30441), (10147, 25041)]