291686427

素因数分解:

$3^4\times {\mathrm{1021}}^1\times {\mathrm{3527}}^1$

素因数の和:4560

約数の個数: 20

約数和(自身を含む): 436279536

約数和(自身を除く): 144593109

約数列:

[1, 3, 9, 27, 81, 1021, 3063, 3527, 9189, 10581, 27567, 31743, 82701, 95229, 285687, 3601067, 10803201, 32409603, 97228809, 291686427]

約数ペア:

[(1, 291686427), (3, 97228809), (9, 32409603), (27, 10803201), (81, 3601067), (1021, 285687), (3063, 95229), (3527, 82701), (9189, 31743), (10581, 27567)]