128564739

素因数分解:

$3^5\times {\mathrm{317}}^1\times {\mathrm{1669}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 193305840

約数和(自身を除く): 64741101

約数列:

[1, 3, 9, 27, 81, 243, 317, 951, 1669, 2853, 5007, 8559, 15021, 25677, 45063, 77031, 135189, 405567, 529073, 1587219, 4761657, 14284971, 42854913, 128564739]

約数ペア:

[(1, 128564739), (3, 42854913), (9, 14284971), (27, 4761657), (81, 1587219), (243, 529073), (317, 405567), (951, 135189), (1669, 77031), (2853, 45063), (5007, 25677), (8559, 15021)]