139906481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 184991040

約数和(自身を除く): 45084559

約数列:

[1, 11, 13, 17, 19, 143, 169, 187, 209, 221, 233, 247, 323, 1859, 2431, 2563, 2717, 2873, 3029, 3211, 3553, 3961, 4199, 4427, 31603, 33319, 35321, 39377, 43571, 46189, 48697, 51493, 54587, 57551, 75259, 433147, 566423, 600457, 633061, 669409, 748163, 827849, 978367, 7363499, 8229793, 10762037, 12718771, 139906481]

約数ペア:

[(1, 139906481), (11, 12718771), (13, 10762037), (17, 8229793), (19, 7363499), (143, 978367), (169, 827849), (187, 748163), (209, 669409), (221, 633061), (233, 600457), (247, 566423), (323, 433147), (1859, 75259), (2431, 57551), (2563, 54587), (2717, 51493), (2873, 48697), (3029, 46189), (3211, 43571), (3553, 39377), (3961, 35321), (4199, 33319), (4427, 31603)]