15228729

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1062

約数の個数: 20

約数和(自身を含む): 22876260

約数和(自身を除く): 7647531

約数列:

[1, 3, 9, 27, 81, 229, 687, 821, 2061, 2463, 6183, 7389, 18549, 22167, 66501, 188009, 564027, 1692081, 5076243, 15228729]

約数ペア:

[(1, 15228729), (3, 5076243), (9, 1692081), (27, 564027), (81, 188009), (229, 66501), (687, 22167), (821, 18549), (2061, 7389), (2463, 6183)]