289314261

素因数分解:

$3^4\times {\mathrm{1427}}^1\times {\mathrm{2503}}^1$

素因数の和:3942

約数の個数: 20

約数和(自身を含む): 432661152

約数和(自身を除く): 143346891

約数列:

[1, 3, 9, 27, 81, 1427, 2503, 4281, 7509, 12843, 22527, 38529, 67581, 115587, 202743, 3571781, 10715343, 32146029, 96438087, 289314261]

約数ペア:

[(1, 289314261), (3, 96438087), (9, 32146029), (27, 10715343), (81, 3571781), (1427, 202743), (2503, 115587), (4281, 67581), (7509, 38529), (12843, 22527)]