1920303

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 3684096

約数和(自身を除く): 1763793

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 163, 187, 231, 357, 489, 561, 693, 1071, 1141, 1309, 1467, 1683, 1793, 2771, 3423, 3927, 5379, 8313, 10269, 11781, 12551, 16137, 19397, 24939, 30481, 37653, 58191, 91443, 112959, 174573, 213367, 274329, 640101, 1920303]

約数ペア:

[(1, 1920303), (3, 640101), (7, 274329), (9, 213367), (11, 174573), (17, 112959), (21, 91443), (33, 58191), (51, 37653), (63, 30481), (77, 24939), (99, 19397), (119, 16137), (153, 12551), (163, 11781), (187, 10269), (231, 8313), (357, 5379), (489, 3927), (561, 3423), (693, 2771), (1071, 1793), (1141, 1683), (1309, 1467)]