2153781

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 3766464

約数和(自身を除く): 1612683

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2011, 6033, 14077, 18099, 34187, 42231, 102561, 126693, 239309, 307683, 717927, 2153781]

約数ペア:

[(1, 2153781), (3, 717927), (7, 307683), (9, 239309), (17, 126693), (21, 102561), (51, 42231), (63, 34187), (119, 18099), (153, 14077), (357, 6033), (1071, 2011)]