28131897

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 38633472

約数和(自身を除く): 10501575

約数列:

[1, 3, 47, 127, 141, 381, 1571, 4713, 5969, 17907, 73837, 199517, 221511, 598551, 9377299, 28131897]

約数ペア:

[(1, 28131897), (3, 9377299), (47, 598551), (127, 221511), (141, 199517), (381, 73837), (1571, 17907), (4713, 5969)]