721132009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{7937}}^1$

素因数の和:8220

約数の個数: 16

約数和(自身を含む): 806818320

約数和(自身を除く): 85686311

約数列:

[1, 13, 29, 241, 377, 3133, 6989, 7937, 90857, 103181, 230173, 1912817, 2992249, 24866621, 55471693, 721132009]

約数ペア:

[(1, 721132009), (13, 55471693), (29, 24866621), (241, 2992249), (377, 1912817), (3133, 230173), (6989, 103181), (7937, 90857)]