221851707

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9901}}^1$

素因数の和:10019

約数の個数: 32

約数和(自身を含む): 372632064

約数和(自身を除く): 150780357

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 1067, 2037, 3201, 7469, 9901, 22407, 29703, 69307, 108911, 207921, 326733, 762377, 960397, 2287131, 2881191, 6722779, 10564367, 20168337, 31693101, 73950569, 221851707]

約数ペア:

[(1, 221851707), (3, 73950569), (7, 31693101), (11, 20168337), (21, 10564367), (33, 6722779), (77, 2881191), (97, 2287131), (231, 960397), (291, 762377), (679, 326733), (1067, 207921), (2037, 108911), (3201, 69307), (7469, 29703), (9901, 22407)]