2041389

素因数分解:

$3^3\times 7^2\times {\mathrm{1543}}^1$

素因数の和:1566

約数の個数: 24

約数和(自身を含む): 3520320

約数和(自身を除く): 1478931

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1543, 4629, 10801, 13887, 32403, 41661, 75607, 97209, 226821, 291627, 680463, 2041389]

約数ペア:

[(1, 2041389), (3, 680463), (7, 291627), (9, 226821), (21, 97209), (27, 75607), (49, 41661), (63, 32403), (147, 13887), (189, 10801), (441, 4629), (1323, 1543)]