27987245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3011}}^1$

素因数の和:3053

約数の個数: 24

約数和(自身を含む): 39686112

約数和(自身を除く): 11698867

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 3011, 9295, 15055, 33121, 39143, 165605, 195715, 430573, 508859, 2152865, 2544295, 5597449, 27987245]

約数ペア:

[(1, 27987245), (5, 5597449), (11, 2544295), (13, 2152865), (55, 508859), (65, 430573), (143, 195715), (169, 165605), (715, 39143), (845, 33121), (1859, 15055), (3011, 9295)]