31137029

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21283}}^1$

素因数の和:21320

約数の個数: 16

約数和(自身を含む): 40865280

約数和(自身を除く): 9728251

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21283, 148981, 234113, 404377, 1638791, 2830639, 4448147, 31137029]

約数ペア:

[(1, 31137029), (7, 4448147), (11, 2830639), (19, 1638791), (77, 404377), (133, 234113), (209, 148981), (1463, 21283)]