212557821

素因数分解:

$3^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{9649}}^1$

素因数の和:10708

約数の個数: 16

約数和(自身を含む): 324240000

約数和(自身を除く): 111682179

約数列:

[1, 3, 7, 21, 1049, 3147, 7343, 9649, 22029, 28947, 67543, 202629, 10121801, 30365403, 70852607, 212557821]

約数ペア:

[(1, 212557821), (3, 70852607), (7, 30365403), (21, 10121801), (1049, 202629), (3147, 67543), (7343, 28947), (9649, 22029)]