28091421

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{3389}}^1$

素因数の和:3705

約数の個数: 16

約数和(自身を含む): 41764800

約数和(自身を除く): 13673379

約数列:

[1, 3, 9, 27, 307, 921, 2763, 3389, 8289, 10167, 30501, 91503, 1040423, 3121269, 9363807, 28091421]

約数ペア:

[(1, 28091421), (3, 9363807), (9, 3121269), (27, 1040423), (307, 91503), (921, 30501), (2763, 10167), (3389, 8289)]