20100371781

素因数分解:

$3^1\times 7^3\times {\mathrm{19533889}}^1$

素因数の和:19533913

約数の個数: 16

約数和(自身を含む): 31254224000

約数和(自身を除く): 11153852219

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19533889, 58601667, 136737223, 410211669, 957160561, 2871481683, 6700123927, 20100371781]

約数ペア:

[(1, 20100371781), (3, 6700123927), (7, 2871481683), (21, 957160561), (49, 410211669), (147, 136737223), (343, 58601667), (1029, 19533889)]