2809233

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 5106816

約数和(自身を除く): 2297583

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 61, 63, 119, 129, 153, 183, 301, 357, 387, 427, 549, 731, 903, 1037, 1071, 1281, 2193, 2623, 2709, 3111, 3843, 5117, 6579, 7259, 7869, 9333, 15351, 18361, 21777, 23607, 44591, 46053, 55083, 65331, 133773, 165249, 312137, 401319, 936411, 2809233]

約数ペア:

[(1, 2809233), (3, 936411), (7, 401319), (9, 312137), (17, 165249), (21, 133773), (43, 65331), (51, 55083), (61, 46053), (63, 44591), (119, 23607), (129, 21777), (153, 18361), (183, 15351), (301, 9333), (357, 7869), (387, 7259), (427, 6579), (549, 5117), (731, 3843), (903, 3111), (1037, 2709), (1071, 2623), (1281, 2193)]