13304921

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 16853760

約数和(自身を除く): 3548839

約数列:

[1, 7, 19, 31, 49, 133, 217, 461, 589, 931, 1519, 3227, 4123, 8759, 14291, 22589, 28861, 61313, 100037, 271529, 429191, 700259, 1900703, 13304921]

約数ペア:

[(1, 13304921), (7, 1900703), (19, 700259), (31, 429191), (49, 271529), (133, 100037), (217, 61313), (461, 28861), (589, 22589), (931, 14291), (1519, 8759), (3227, 4123)]