81278571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{36761}}^1$

素因数の和:36842

約数の個数: 16

約数和(自身を含む): 119991168

約数和(自身を除く): 38712597

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 36761, 110283, 404371, 1213113, 2462987, 7388961, 27092857, 81278571]

約数ペア:

[(1, 81278571), (3, 27092857), (11, 7388961), (33, 2462987), (67, 1213113), (201, 404371), (737, 110283), (2211, 36761)]