22227821

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 29838816

約数和(自身を除く): 7610995

約数列:

[1, 7, 11, 23, 49, 77, 121, 161, 163, 253, 539, 847, 1127, 1141, 1771, 1793, 2783, 3749, 5929, 7987, 12397, 12551, 19481, 19723, 26243, 41239, 87857, 136367, 138061, 183701, 288673, 453629, 966427, 2020711, 3175403, 22227821]

約数ペア:

[(1, 22227821), (7, 3175403), (11, 2020711), (23, 966427), (49, 453629), (77, 288673), (121, 183701), (161, 138061), (163, 136367), (253, 87857), (539, 41239), (847, 26243), (1127, 19723), (1141, 19481), (1771, 12551), (1793, 12397), (2783, 7987), (3749, 5929)]