7780003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 10192896

約数和(自身を除く): 2412893

約数列:

[1, 7, 11, 23, 77, 161, 191, 253, 529, 1337, 1771, 2101, 3703, 4393, 5819, 14707, 30751, 40733, 48323, 101039, 338261, 707273, 1111429, 7780003]

約数ペア:

[(1, 7780003), (7, 1111429), (11, 707273), (23, 338261), (77, 101039), (161, 48323), (191, 40733), (253, 30751), (529, 14707), (1337, 5819), (1771, 4393), (2101, 3703)]