263614071

素因数分解:

$3^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{2713}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 409640304

約数和(自身を除く): 146026233

約数列:

[1, 3, 7, 21, 49, 147, 661, 1983, 2713, 4627, 8139, 13881, 18991, 32389, 56973, 97167, 132937, 398811, 1793293, 5379879, 12553051, 37659153, 87871357, 263614071]

約数ペア:

[(1, 263614071), (3, 87871357), (7, 37659153), (21, 12553051), (49, 5379879), (147, 1793293), (661, 398811), (1983, 132937), (2713, 97167), (4627, 56973), (8139, 32389), (13881, 18991)]