261874473

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{93761}}^1$

素因数の和:93797

約数の個数: 24

約数和(自身を含む): 427554720

約数和(自身を除く): 165680247

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 93761, 281283, 656327, 1781459, 1968981, 4594289, 5344377, 12470213, 13782867, 37410639, 87291491, 261874473]

約数ペア:

[(1, 261874473), (3, 87291491), (7, 37410639), (19, 13782867), (21, 12470213), (49, 5344377), (57, 4594289), (133, 1968981), (147, 1781459), (399, 656327), (931, 281283), (2793, 93761)]