15966115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 21534768

約数和(自身を除く): 5568653

約数列:

[1, 5, 11, 43, 55, 157, 215, 473, 785, 1727, 1849, 2365, 6751, 8635, 9245, 20339, 33755, 74261, 101695, 290293, 371305, 1451465, 3193223, 15966115]

約数ペア:

[(1, 15966115), (5, 3193223), (11, 1451465), (43, 371305), (55, 290293), (157, 101695), (215, 74261), (473, 33755), (785, 20339), (1727, 9245), (1849, 8635), (2365, 6751)]