831291255

素因数分解:

$3^4\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{1987}}^1$

素因数の和:3037

約数の個数: 40

約数和(自身を含む): 1492359792

約数和(自身を除く): 661068537

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1033, 1987, 3099, 5165, 5961, 9297, 9935, 15495, 17883, 27891, 29805, 46485, 53649, 83673, 89415, 139455, 160947, 268245, 418365, 804735, 2052571, 6157713, 10262855, 18473139, 30788565, 55419417, 92365695, 166258251, 277097085, 831291255]

約数ペア:

[(1, 831291255), (3, 277097085), (5, 166258251), (9, 92365695), (15, 55419417), (27, 30788565), (45, 18473139), (81, 10262855), (135, 6157713), (405, 2052571), (1033, 804735), (1987, 418365), (3099, 268245), (5165, 160947), (5961, 139455), (9297, 89415), (9935, 83673), (15495, 53649), (17883, 46485), (27891, 29805)]