13133275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 17568320

約数和(自身を除く): 4435045

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 643, 817, 1075, 3215, 4085, 12217, 16075, 20425, 27649, 61085, 138245, 305425, 525331, 691225, 2626655, 13133275]

約数ペア:

[(1, 13133275), (5, 2626655), (19, 691225), (25, 525331), (43, 305425), (95, 138245), (215, 61085), (475, 27649), (643, 20425), (817, 16075), (1075, 12217), (3215, 4085)]