139781257

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 177900800

約数和(自身を除く): 38119543

約数列:

[1, 7, 11, 77, 79, 121, 553, 847, 869, 2089, 6083, 9559, 14623, 22979, 66913, 160853, 165031, 252769, 1155217, 1769383, 1815341, 12707387, 19968751, 139781257]

約数ペア:

[(1, 139781257), (7, 19968751), (11, 12707387), (77, 1815341), (79, 1769383), (121, 1155217), (553, 252769), (847, 165031), (869, 160853), (2089, 66913), (6083, 22979), (9559, 14623)]