26981253

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 44588544

約数和(自身を除く): 17607291

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 117, 129, 173, 279, 387, 403, 519, 559, 1209, 1333, 1557, 1677, 2249, 3627, 3999, 5031, 5363, 6747, 7439, 11997, 16089, 17329, 20241, 22317, 48267, 51987, 66951, 69719, 96707, 155961, 209157, 230609, 290121, 627471, 691827, 870363, 2075481, 2997917, 8993751, 26981253]

約数ペア:

[(1, 26981253), (3, 8993751), (9, 2997917), (13, 2075481), (31, 870363), (39, 691827), (43, 627471), (93, 290121), (117, 230609), (129, 209157), (173, 155961), (279, 96707), (387, 69719), (403, 66951), (519, 51987), (559, 48267), (1209, 22317), (1333, 20241), (1557, 17329), (1677, 16089), (2249, 11997), (3627, 7439), (3999, 6747), (5031, 5363)]