291986397

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{16871}}^1$

素因数の和:17521

約数の個数: 16

約数和(自身を含む): 433272960

約数和(自身を除く): 141286563

約数列:

[1, 3, 9, 27, 641, 1923, 5769, 16871, 17307, 50613, 151839, 455517, 10814311, 32442933, 97328799, 291986397]

約数ペア:

[(1, 291986397), (3, 97328799), (9, 32442933), (27, 10814311), (641, 455517), (1923, 151839), (5769, 50613), (16871, 17307)]