243312417

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{15727}}^1$

素因数の和:15930

約数の個数: 20

約数和(自身を含む): 365392896

約数和(自身を除く): 122080479

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 15471, 15727, 47181, 141543, 424629, 1273887, 3003857, 9011571, 27034713, 81104139, 243312417]

約数ペア:

[(1, 243312417), (3, 81104139), (9, 27034713), (27, 9011571), (81, 3003857), (191, 1273887), (573, 424629), (1719, 141543), (5157, 47181), (15471, 15727)]