248873247

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{55639}}^1$

素因数の和:55723

約数の個数: 24

約数和(自身を含む): 416632320

約数和(自身を除く): 167759073

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 55639, 166917, 389473, 500751, 1168419, 3505257, 3950369, 11851107, 27652583, 35553321, 82957749, 248873247]

約数ペア:

[(1, 248873247), (3, 82957749), (7, 35553321), (9, 27652583), (21, 11851107), (63, 3950369), (71, 3505257), (213, 1168419), (497, 500751), (639, 389473), (1491, 166917), (4473, 55639)]