26389215

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18917}}^1$

素因数の和:18959

約数の個数: 24

約数和(自身を含む): 47219328

約数和(自身を除く): 20830113

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 18917, 56751, 94585, 170253, 283755, 586427, 851265, 1759281, 2932135, 5277843, 8796405, 26389215]

約数ペア:

[(1, 26389215), (3, 8796405), (5, 5277843), (9, 2932135), (15, 1759281), (31, 851265), (45, 586427), (93, 283755), (155, 170253), (279, 94585), (465, 56751), (1395, 18917)]