28320777

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 41793024

約数和(自身を除く): 13472247

約数列:

[1, 3, 9, 103, 137, 223, 309, 411, 669, 927, 1233, 2007, 14111, 22969, 30551, 42333, 68907, 91653, 126999, 206721, 274959, 3146753, 9440259, 28320777]

約数ペア:

[(1, 28320777), (3, 9440259), (9, 3146753), (103, 274959), (137, 206721), (223, 126999), (309, 91653), (411, 68907), (669, 42333), (927, 30551), (1233, 22969), (2007, 14111)]