1881551

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 2407680

約数和(自身を除く): 526129

約数列:

[1, 7, 19, 43, 47, 49, 133, 301, 329, 817, 893, 931, 2021, 2107, 2303, 5719, 6251, 14147, 38399, 40033, 43757, 99029, 268793, 1881551]

約数ペア:

[(1, 1881551), (7, 268793), (19, 99029), (43, 43757), (47, 40033), (49, 38399), (133, 14147), (301, 6251), (329, 5719), (817, 2303), (893, 2107), (931, 2021)]