201639221

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{15233}}^1$

素因数の和:15332

約数の個数: 16

約数和(自身を含む): 241794048

約数和(自身を除く): 40154827

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 15233, 106631, 472223, 929213, 3305561, 6504491, 28805603, 201639221]

約数ペア:

[(1, 201639221), (7, 28805603), (31, 6504491), (61, 3305561), (217, 929213), (427, 472223), (1891, 106631), (13237, 15233)]