28920201

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 39137280

約数和(自身を除く): 10217079

約数列:

[1, 3, 139, 223, 311, 417, 669, 933, 30997, 43229, 69353, 92991, 129687, 208059, 9640067, 28920201]

約数ペア:

[(1, 28920201), (3, 9640067), (139, 208059), (223, 129687), (311, 92991), (417, 69353), (669, 43229), (933, 30997)]