201220467

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{258971}}^1$

素因数の和:259018

約数の個数: 16

約数和(自身を含む): 314909952

約数和(自身を除く): 113689485

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 258971, 776913, 1812797, 5438391, 9581927, 28745781, 67073489, 201220467]

約数ペア:

[(1, 201220467), (3, 67073489), (7, 28745781), (21, 9581927), (37, 5438391), (111, 1812797), (259, 776913), (777, 258971)]