201561021

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{15329}}^1$

素因数の和:15825

約数の個数: 16

約数和(自身を含む): 299241600

約数和(自身を除く): 97680579

約数列:

[1, 3, 9, 27, 487, 1461, 4383, 13149, 15329, 45987, 137961, 413883, 7465223, 22395669, 67187007, 201561021]

約数ペア:

[(1, 201561021), (3, 67187007), (9, 22395669), (27, 7465223), (487, 413883), (1461, 137961), (4383, 45987), (13149, 15329)]