2078659971

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{809}}^1\times {\mathrm{4021}}^1$

素因数の和:4907

約数の個数: 24

約数和(自身を含む): 3049319520

約数和(自身を除く): 970659549

約数列:

[1, 3, 9, 71, 213, 639, 809, 2427, 4021, 7281, 12063, 36189, 57439, 172317, 285491, 516951, 856473, 2569419, 3252989, 9758967, 29276901, 230962219, 692886657, 2078659971]

約数ペア:

[(1, 2078659971), (3, 692886657), (9, 230962219), (71, 29276901), (213, 9758967), (639, 3252989), (809, 2569419), (2427, 856473), (4021, 516951), (7281, 285491), (12063, 172317), (36189, 57439)]