425313

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 723008

約数和(自身を除く): 297695

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 157, 301, 387, 471, 903, 1099, 1413, 2709, 3297, 6751, 9891, 20253, 47257, 60759, 141771, 425313]

約数ペア:

[(1, 425313), (3, 141771), (7, 60759), (9, 47257), (21, 20253), (43, 9891), (63, 6751), (129, 3297), (157, 2709), (301, 1413), (387, 1099), (471, 903)]