7944261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 12257280

約数和(自身を除く): 4313019

約数列:

[1, 3, 13, 19, 39, 57, 71, 151, 213, 247, 453, 741, 923, 1349, 1963, 2769, 2869, 4047, 5889, 8607, 10721, 17537, 32163, 37297, 52611, 111891, 139373, 203699, 418119, 611097, 2648087, 7944261]

約数ペア:

[(1, 7944261), (3, 2648087), (13, 611097), (19, 418119), (39, 203699), (57, 139373), (71, 111891), (151, 52611), (213, 37297), (247, 32163), (453, 17537), (741, 10721), (923, 8607), (1349, 5889), (1963, 4047), (2769, 2869)]