1878902012151

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{638430857}}^1$

素因数の和:638430975

約数の個数: 16

約数和(自身を含む): 2809095775200

約数和(自身を除く): 930193763049

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 638430857, 1915292571, 5745877713, 17237633139, 69588963413, 208766890239, 626300670717, 1878902012151]

約数ペア:

[(1, 1878902012151), (3, 626300670717), (9, 208766890239), (27, 69588963413), (109, 17237633139), (327, 5745877713), (981, 1915292571), (2943, 638430857)]