81308826

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{4549}}^1$

素因数の和:4891

約数の個数: 32

約数和(自身を含む): 181272000

約数和(自身を除く): 99963174

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1986, 2979, 4549, 5958, 8937, 9098, 13647, 17874, 27294, 40941, 81882, 122823, 245646, 1505719, 3011438, 4517157, 9034314, 13551471, 27102942, 40654413, 81308826]

約数ペア:

[(1, 81308826), (2, 40654413), (3, 27102942), (6, 13551471), (9, 9034314), (18, 4517157), (27, 3011438), (54, 1505719), (331, 245646), (662, 122823), (993, 81882), (1986, 40941), (2979, 27294), (4549, 17874), (5958, 13647), (8937, 9098)]