81567921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{2801}}^1$

素因数の和:3392

約数の個数: 16

約数和(自身を含む): 115397568

約数和(自身を除く): 33829647

約数列:

[1, 3, 17, 51, 571, 1713, 2801, 8403, 9707, 29121, 47617, 142851, 1599371, 4798113, 27189307, 81567921]

約数ペア:

[(1, 81567921), (3, 27189307), (17, 4798113), (51, 1599371), (571, 142851), (1713, 47617), (2801, 29121), (8403, 9707)]