1239651

素因数分解:

$3^3\times 7^2\times {\mathrm{937}}^1$

素因数の和:960

約数の個数: 24

約数和(自身を含む): 2138640

約数和(自身を除く): 898989

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 937, 1323, 2811, 6559, 8433, 19677, 25299, 45913, 59031, 137739, 177093, 413217, 1239651]

約数ペア:

[(1, 1239651), (3, 413217), (7, 177093), (9, 137739), (21, 59031), (27, 45913), (49, 25299), (63, 19677), (147, 8433), (189, 6559), (441, 2811), (937, 1323)]