2799321

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 4404960

約数和(自身を除く): 1605639

約数列:

[1, 3, 7, 21, 49, 137, 139, 147, 411, 417, 959, 973, 2877, 2919, 6713, 6811, 19043, 20139, 20433, 57129, 133301, 399903, 933107, 2799321]

約数ペア:

[(1, 2799321), (3, 933107), (7, 399903), (21, 133301), (49, 57129), (137, 20433), (139, 20139), (147, 19043), (411, 6811), (417, 6713), (959, 2919), (973, 2877)]