1275939

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 2224640

約数和(自身を除く): 948701

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 157, 189, 301, 387, 471, 903, 1099, 1161, 1413, 2709, 3297, 4239, 6751, 8127, 9891, 20253, 29673, 47257, 60759, 141771, 182277, 425313, 1275939]

約数ペア:

[(1, 1275939), (3, 425313), (7, 182277), (9, 141771), (21, 60759), (27, 47257), (43, 29673), (63, 20253), (129, 9891), (157, 8127), (189, 6751), (301, 4239), (387, 3297), (471, 2709), (903, 1413), (1099, 1161)]