18342261

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{907}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 31380480

約数和(自身を除く): 13038219

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 907, 963, 2247, 2721, 2889, 6349, 6741, 8163, 19047, 20223, 24489, 57141, 97049, 171423, 291147, 679343, 873441, 2038029, 2620323, 6114087, 18342261]

約数ペア:

[(1, 18342261), (3, 6114087), (7, 2620323), (9, 2038029), (21, 873441), (27, 679343), (63, 291147), (107, 171423), (189, 97049), (321, 57141), (749, 24489), (907, 20223), (963, 19047), (2247, 8163), (2721, 6741), (2889, 6349)]