2581005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 4829184

約数和(自身を除く): 2248179

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 523, 705, 987, 1569, 1645, 2615, 3661, 4935, 7845, 10983, 18305, 24581, 54915, 73743, 122905, 172067, 368715, 516201, 860335, 2581005]

約数ペア:

[(1, 2581005), (3, 860335), (5, 516201), (7, 368715), (15, 172067), (21, 122905), (35, 73743), (47, 54915), (105, 24581), (141, 18305), (235, 10983), (329, 7845), (523, 4935), (705, 3661), (987, 2615), (1569, 1645)]