28920111

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{51551}}^1$

素因数の和:51582

約数の個数: 16

約数和(自身を含む): 44540928

約数和(自身を除く): 15620817

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 51551, 154653, 567061, 876367, 1701183, 2629101, 9640037, 28920111]

約数ペア:

[(1, 28920111), (3, 9640037), (11, 2629101), (17, 1701183), (33, 876367), (51, 567061), (187, 154653), (561, 51551)]