12967311

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5189}}^1$

素因数の和:5223

約数の個数: 24

約数和(自身を含む): 21299760

約数和(自身を除く): 8332449

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 5189, 15567, 36323, 88213, 108969, 254261, 264639, 617491, 762783, 1852473, 4322437, 12967311]

約数ペア:

[(1, 12967311), (3, 4322437), (7, 1852473), (17, 762783), (21, 617491), (49, 264639), (51, 254261), (119, 108969), (147, 88213), (357, 36323), (833, 15567), (2499, 5189)]