28688487

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 38887680

約数和(自身を除く): 10199193

約数列:

[1, 3, 103, 227, 309, 409, 681, 1227, 23381, 42127, 70143, 92843, 126381, 278529, 9562829, 28688487]

約数ペア:

[(1, 28688487), (3, 9562829), (103, 278529), (227, 126381), (309, 92843), (409, 70143), (681, 42127), (1227, 23381)]