1237239

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 1921920

約数和(自身を除く): 684681

約数列:

[1, 3, 9, 23, 43, 69, 129, 139, 207, 387, 417, 989, 1251, 2967, 3197, 5977, 8901, 9591, 17931, 28773, 53793, 137471, 412413, 1237239]

約数ペア:

[(1, 1237239), (3, 412413), (9, 137471), (23, 53793), (43, 28773), (69, 17931), (129, 9591), (139, 8901), (207, 5977), (387, 3197), (417, 2967), (989, 1251)]