38642247

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 66313728

約数和(自身を除く): 27671481

約数列:

[1, 3, 7, 9, 21, 53, 63, 71, 159, 163, 213, 371, 477, 489, 497, 639, 1113, 1141, 1467, 1491, 3339, 3423, 3763, 4473, 8639, 10269, 11289, 11573, 25917, 26341, 33867, 34719, 60473, 77751, 79023, 81011, 104157, 181419, 237069, 243033, 544257, 613369, 729099, 1840107, 4293583, 5520321, 12880749, 38642247]

約数ペア:

[(1, 38642247), (3, 12880749), (7, 5520321), (9, 4293583), (21, 1840107), (53, 729099), (63, 613369), (71, 544257), (159, 243033), (163, 237069), (213, 181419), (371, 104157), (477, 81011), (489, 79023), (497, 77751), (639, 60473), (1113, 34719), (1141, 33867), (1467, 26341), (1491, 25917), (3339, 11573), (3423, 11289), (3763, 10269), (4473, 8639)]