2808309

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 4309632

約数和(自身を除く): 1501323

約数列:

[1, 3, 7, 21, 173, 519, 773, 1211, 2319, 3633, 5411, 16233, 133729, 401187, 936103, 2808309]

約数ペア:

[(1, 2808309), (3, 936103), (7, 401187), (21, 133729), (173, 16233), (519, 5411), (773, 3633), (1211, 2319)]