81237863

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{26557}}^1$

素因数の和:26606

約数の個数: 16

約数和(自身を含む): 101982720

約数和(自身を除く): 20744857

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 26557, 185899, 504583, 610811, 3532081, 4275677, 11605409, 81237863]

約数ペア:

[(1, 81237863), (7, 11605409), (19, 4275677), (23, 3532081), (133, 610811), (161, 504583), (437, 185899), (3059, 26557)]