2721285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 5526144

約数和(自身を除く): 2804859

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 163, 265, 315, 371, 477, 489, 795, 815, 1113, 1141, 1467, 1855, 2385, 2445, 3339, 3423, 5565, 5705, 7335, 8639, 10269, 16695, 17115, 25917, 43195, 51345, 60473, 77751, 129585, 181419, 302365, 388755, 544257, 907095, 2721285]

約数ペア:

[(1, 2721285), (3, 907095), (5, 544257), (7, 388755), (9, 302365), (15, 181419), (21, 129585), (35, 77751), (45, 60473), (53, 51345), (63, 43195), (105, 25917), (159, 17115), (163, 16695), (265, 10269), (315, 8639), (371, 7335), (477, 5705), (489, 5565), (795, 3423), (815, 3339), (1113, 2445), (1141, 2385), (1467, 1855)]