15123355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 20684160

約数和(自身を除く): 5560805

約数列:

[1, 5, 13, 29, 65, 71, 113, 145, 355, 377, 565, 923, 1469, 1885, 2059, 3277, 4615, 7345, 8023, 10295, 16385, 26767, 40115, 42601, 104299, 133835, 213005, 232667, 521495, 1163335, 3024671, 15123355]

約数ペア:

[(1, 15123355), (5, 3024671), (13, 1163335), (29, 521495), (65, 232667), (71, 213005), (113, 133835), (145, 104299), (355, 42601), (377, 40115), (565, 26767), (923, 16385), (1469, 10295), (1885, 8023), (2059, 7345), (3277, 4615)]