81668279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1229}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 102021120

約数和(自身を除く): 20352841

約数列:

[1, 7, 11, 77, 863, 1229, 6041, 8603, 9493, 13519, 66451, 94633, 1060627, 7424389, 11666897, 81668279]

約数ペア:

[(1, 81668279), (7, 11666897), (11, 7424389), (77, 1060627), (863, 94633), (1229, 66451), (6041, 13519), (8603, 9493)]