81096171

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 125264232

約数和(自身を除く): 44168061

約数列:

[1, 3, 13, 17, 39, 51, 97, 169, 221, 291, 507, 663, 1261, 1649, 2873, 3783, 4947, 8619, 9409, 16393, 21437, 28227, 49179, 64311, 122317, 159953, 278681, 366951, 479859, 836043, 1590121, 2079389, 4770363, 6238167, 27032057, 81096171]

約数ペア:

[(1, 81096171), (3, 27032057), (13, 6238167), (17, 4770363), (39, 2079389), (51, 1590121), (97, 836043), (169, 479859), (221, 366951), (291, 278681), (507, 159953), (663, 122317), (1261, 64311), (1649, 49179), (2873, 28227), (3783, 21437), (4947, 16393), (8619, 9409)]