202920123

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{9931}}^1$

素因数の和:10087

約数の個数: 24

約数和(自身を含む): 317029440

約数和(自身を除く): 114109317

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 9931, 20433, 29793, 69517, 208551, 486619, 1380409, 1459857, 4141227, 9662863, 28988589, 67640041, 202920123]

約数ペア:

[(1, 202920123), (3, 67640041), (7, 28988589), (21, 9662863), (49, 4141227), (139, 1459857), (147, 1380409), (417, 486619), (973, 208551), (2919, 69517), (6811, 29793), (9931, 20433)]