1340001

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{881}}^1$

素因数の和:913

約数の個数: 18

約数和(自身を含む): 2098278

約数和(自身を除く): 758277

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 881, 1521, 2643, 7929, 11453, 34359, 103077, 148889, 446667, 1340001]

約数ペア:

[(1, 1340001), (3, 446667), (9, 148889), (13, 103077), (39, 34359), (117, 11453), (169, 7929), (507, 2643), (881, 1521)]