12738537

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{839}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 21141120

約数和(自身を除く): 8402583

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 839, 1687, 2169, 2517, 5061, 5873, 7551, 15183, 17619, 52857, 202199, 606597, 1415393, 1819791, 4246179, 12738537]

約数ペア:

[(1, 12738537), (3, 4246179), (7, 1819791), (9, 1415393), (21, 606597), (63, 202199), (241, 52857), (723, 17619), (839, 15183), (1687, 7551), (2169, 5873), (2517, 5061)]