81417765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37957}}^1$

素因数の和:37989

約数の個数: 32

約数和(自身を含む): 153046656

約数和(自身を除く): 71628891

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 37957, 113871, 189785, 417527, 493441, 569355, 1252581, 1480323, 2087635, 2467205, 5427851, 6262905, 7401615, 16283553, 27139255, 81417765]

約数ペア:

[(1, 81417765), (3, 27139255), (5, 16283553), (11, 7401615), (13, 6262905), (15, 5427851), (33, 2467205), (39, 2087635), (55, 1480323), (65, 1252581), (143, 569355), (165, 493441), (195, 417527), (429, 189785), (715, 113871), (2145, 37957)]