640101

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 1133568

約数和(自身を除く): 493467

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 163, 187, 231, 357, 489, 561, 1141, 1309, 1793, 2771, 3423, 3927, 5379, 8313, 12551, 19397, 30481, 37653, 58191, 91443, 213367, 640101]

約数ペア:

[(1, 640101), (3, 213367), (7, 91443), (11, 58191), (17, 37653), (21, 30481), (33, 19397), (51, 12551), (77, 8313), (119, 5379), (163, 3927), (187, 3423), (231, 2771), (357, 1793), (489, 1309), (561, 1141)]