251187915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{11621}}^1$

素因数の和:11771

約数の個数: 32

約数和(自身を含む): 441821952

約数和(自身を除く): 190634037

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 4323, 7205, 11621, 21615, 34863, 58105, 127831, 174315, 383493, 639155, 1522351, 1917465, 4567053, 7611755, 16745861, 22835265, 50237583, 83729305, 251187915]

約数ペア:

[(1, 251187915), (3, 83729305), (5, 50237583), (11, 22835265), (15, 16745861), (33, 7611755), (55, 4567053), (131, 1917465), (165, 1522351), (393, 639155), (655, 383493), (1441, 174315), (1965, 127831), (4323, 58105), (7205, 34863), (11621, 21615)]