3966291

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 6605664

約数和(自身を除く): 2639373

約数列:

[1, 3, 7, 9, 21, 63, 157, 401, 471, 1099, 1203, 1413, 2807, 3297, 3609, 8421, 9891, 25263, 62957, 188871, 440699, 566613, 1322097, 3966291]

約数ペア:

[(1, 3966291), (3, 1322097), (7, 566613), (9, 440699), (21, 188871), (63, 62957), (157, 25263), (401, 9891), (471, 8421), (1099, 3609), (1203, 3297), (1413, 2807)]