15111215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 22239360

約数和(自身を除く): 7128145

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 233, 545, 595, 763, 1165, 1631, 1853, 3815, 3961, 8155, 9265, 12971, 19805, 25397, 27727, 64855, 126985, 138635, 177779, 431749, 888895, 2158745, 3022243, 15111215]

約数ペア:

[(1, 15111215), (5, 3022243), (7, 2158745), (17, 888895), (35, 431749), (85, 177779), (109, 138635), (119, 126985), (233, 64855), (545, 27727), (595, 25397), (763, 19805), (1165, 12971), (1631, 9265), (1853, 8155), (3815, 3961)]