31075863

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 20533737

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1279, 1869, 3471, 3837, 8099, 8953, 16627, 24297, 26859, 49881, 113831, 116389, 341493, 349167, 796817, 1479803, 2390451, 4439409, 10358621, 31075863]

約数ペア:

[(1, 31075863), (3, 10358621), (7, 4439409), (13, 2390451), (21, 1479803), (39, 796817), (89, 349167), (91, 341493), (267, 116389), (273, 113831), (623, 49881), (1157, 26859), (1279, 24297), (1869, 16627), (3471, 8953), (3837, 8099)]