13280981

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 16248960

約数和(自身を除く): 2967979

約数列:

[1, 7, 19, 61, 133, 427, 1159, 1637, 8113, 11459, 31103, 99857, 217721, 698999, 1897283, 13280981]

約数ペア:

[(1, 13280981), (7, 1897283), (19, 698999), (61, 217721), (133, 99857), (427, 31103), (1159, 11459), (1637, 8113)]