221415777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{13721}}^1$

素因数の和:13901

約数の個数: 24

約数和(自身を含む): 351063648

約数和(自身を除く): 129647871

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 1467, 1793, 5379, 13721, 16137, 41163, 123489, 150931, 452793, 1358379, 2236523, 6709569, 20128707, 24601753, 73805259, 221415777]

約数ペア:

[(1, 221415777), (3, 73805259), (9, 24601753), (11, 20128707), (33, 6709569), (99, 2236523), (163, 1358379), (489, 452793), (1467, 150931), (1793, 123489), (5379, 41163), (13721, 16137)]