27918011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 33364800

約数和(自身を除く): 5446789

約数列:

[1, 11, 19, 31, 139, 209, 341, 589, 961, 1529, 2641, 4309, 6479, 10571, 18259, 29051, 47399, 81871, 133579, 200849, 900581, 1469369, 2538001, 27918011]

約数ペア:

[(1, 27918011), (11, 2538001), (19, 1469369), (31, 900581), (139, 200849), (209, 133579), (341, 81871), (589, 47399), (961, 29051), (1529, 18259), (2641, 10571), (4309, 6479)]