1320221071

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{27031}}^1$

素因数の和:27091

約数の個数: 18

約数和(自身を含む): 1518684792

約数和(自身を除く): 198463721

約数列:

[1, 13, 17, 169, 221, 289, 2873, 3757, 27031, 48841, 351403, 459527, 4568239, 5973851, 7811959, 77660063, 101555467, 1320221071]

約数ペア:

[(1, 1320221071), (13, 101555467), (17, 77660063), (169, 7811959), (221, 5973851), (289, 4568239), (2873, 459527), (3757, 351403), (27031, 48841)]