81507813

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 109824000

約数和(自身を除く): 28316187

約数列:

[1, 3, 199, 311, 439, 597, 933, 1317, 61889, 87361, 136529, 185667, 262083, 409587, 27169271, 81507813]

約数ペア:

[(1, 81507813), (3, 27169271), (199, 409587), (311, 262083), (439, 185667), (597, 136529), (933, 87361), (1317, 61889)]