81746553

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1979}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 127306080

約数和(自身を除く): 45559527

約数列:

[1, 3, 7, 21, 49, 147, 281, 843, 1967, 1979, 5901, 5937, 13769, 13853, 41307, 41559, 96971, 290913, 556099, 1668297, 3892693, 11678079, 27248851, 81746553]

約数ペア:

[(1, 81746553), (3, 27248851), (7, 11678079), (21, 3892693), (49, 1668297), (147, 556099), (281, 290913), (843, 96971), (1967, 41559), (1979, 41307), (5901, 13853), (5937, 13769)]