81991533

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{2741}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 120428640

約数和(自身を除く): 38437107

約数列:

[1, 3, 13, 39, 59, 169, 177, 507, 767, 2301, 2741, 8223, 9971, 29913, 35633, 106899, 161719, 463229, 485157, 1389687, 2102347, 6307041, 27330511, 81991533]

約数ペア:

[(1, 81991533), (3, 27330511), (13, 6307041), (39, 2102347), (59, 1389687), (169, 485157), (177, 463229), (507, 161719), (767, 106899), (2301, 35633), (2741, 29913), (8223, 9971)]