12820941

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11971}}^1$

素因数の和:12001

約数の個数: 24

約数和(自身を含む): 22411584

約数和(自身を除く): 9590643

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 11971, 35913, 83797, 107739, 203507, 251391, 610521, 754173, 1424549, 1831563, 4273647, 12820941]

約数ペア:

[(1, 12820941), (3, 4273647), (7, 1831563), (9, 1424549), (17, 754173), (21, 610521), (51, 251391), (63, 203507), (119, 107739), (153, 83797), (357, 35913), (1071, 11971)]