13012321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 15759360

約数和(自身を除く): 2747039

約数列:

[1, 7, 19, 133, 227, 431, 1589, 3017, 4313, 8189, 30191, 57323, 97837, 684859, 1858903, 13012321]

約数ペア:

[(1, 13012321), (7, 1858903), (19, 684859), (133, 97837), (227, 57323), (431, 30191), (1589, 8189), (3017, 4313)]