81064281

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 109841600

約数和(自身を除く): 28777319

約数列:

[1, 3, 109, 157, 327, 471, 1579, 4737, 17113, 51339, 172111, 247903, 516333, 743709, 27021427, 81064281]

約数ペア:

[(1, 81064281), (3, 27021427), (109, 743709), (157, 516333), (327, 247903), (471, 172111), (1579, 51339), (4737, 17113)]