28017913

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1741}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 37069760

約数和(自身を除く): 9051847

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1463, 1741, 2299, 12187, 16093, 19151, 33079, 134057, 210661, 231553, 363869, 1474627, 2547083, 4002559, 28017913]

約数ペア:

[(1, 28017913), (7, 4002559), (11, 2547083), (19, 1474627), (77, 363869), (121, 231553), (133, 210661), (209, 134057), (847, 33079), (1463, 19151), (1741, 16093), (2299, 12187)]