18589245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 13136835

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 269, 271, 807, 813, 1345, 1355, 4035, 4065, 4573, 4607, 13719, 13821, 22865, 23035, 68595, 69105, 72899, 218697, 364495, 1093485, 1239283, 3717849, 6196415, 18589245]

約数ペア:

[(1, 18589245), (3, 6196415), (5, 3717849), (15, 1239283), (17, 1093485), (51, 364495), (85, 218697), (255, 72899), (269, 69105), (271, 68595), (807, 23035), (813, 22865), (1345, 13821), (1355, 13719), (4035, 4607), (4065, 4573)]