2001805729

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{677}}^1\times {\mathrm{3491}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 2519100864

約数和(自身を除く): 517295135

約数列:

[1, 7, 11, 77, 121, 677, 847, 3491, 4739, 7447, 24437, 38401, 52129, 81917, 268807, 422411, 573419, 2363407, 2956877, 16543849, 25997477, 181982339, 285972247, 2001805729]

約数ペア:

[(1, 2001805729), (7, 285972247), (11, 181982339), (77, 25997477), (121, 16543849), (677, 2956877), (847, 2363407), (3491, 573419), (4739, 422411), (7447, 268807), (24437, 81917), (38401, 52129)]