139903561

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{3181}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 164140288

約数和(自身を除く): 24236727

約数列:

[1, 7, 61, 103, 427, 721, 3181, 6283, 22267, 43981, 194041, 327643, 1358287, 2293501, 19986223, 139903561]

約数ペア:

[(1, 139903561), (7, 19986223), (61, 2293501), (103, 1358287), (427, 327643), (721, 194041), (3181, 43981), (6283, 22267)]