2493981

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 4253184

約数和(自身を除く): 1759203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1277, 1953, 3831, 8939, 11493, 26817, 39587, 80451, 118761, 277109, 356283, 831327, 2493981]

約数ペア:

[(1, 2493981), (3, 831327), (7, 356283), (9, 277109), (21, 118761), (31, 80451), (63, 39587), (93, 26817), (217, 11493), (279, 8939), (651, 3831), (1277, 1953)]