81850909

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 94867456

約数和(自身を除く): 13016547

約数列:

[1, 7, 151, 211, 367, 1057, 1477, 2569, 31861, 55417, 77437, 223027, 387919, 542059, 11692987, 81850909]

約数ペア:

[(1, 81850909), (7, 11692987), (151, 542059), (211, 387919), (367, 223027), (1057, 77437), (1477, 55417), (2569, 31861)]