13231071

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2039}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 22064640

約数和(自身を除く): 8833569

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2039, 2163, 6117, 6489, 14273, 18351, 42819, 128457, 210017, 630051, 1470119, 1890153, 4410357, 13231071]

約数ペア:

[(1, 13231071), (3, 4410357), (7, 1890153), (9, 1470119), (21, 630051), (63, 210017), (103, 128457), (309, 42819), (721, 18351), (927, 14273), (2039, 6489), (2163, 6117)]