17980321

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^2$

素因数の和:268

約数の個数: 12

約数和(自身を含む): 18912432

約数和(自身を除く): 932111

約数列:

[1, 43, 67, 79, 2881, 3397, 5293, 6241, 227599, 268363, 418147, 17980321]

約数ペア:

[(1, 17980321), (43, 418147), (67, 268363), (79, 227599), (2881, 6241), (3397, 5293)]