215284329

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{2531}}^1$

素因数の和:3277

約数の個数: 24

約数和(自身を含む): 335479872

約数和(自身を除く): 120195543

約数列:

[1, 3, 9, 13, 39, 117, 727, 2181, 2531, 6543, 7593, 9451, 22779, 28353, 32903, 85059, 98709, 296127, 1840037, 5520111, 16560333, 23920481, 71761443, 215284329]

約数ペア:

[(1, 215284329), (3, 71761443), (9, 23920481), (13, 16560333), (39, 5520111), (117, 1840037), (727, 296127), (2181, 98709), (2531, 85059), (6543, 32903), (7593, 28353), (9451, 22779)]