187820217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{6661}}^1$

素因数の和:6921

約数の個数: 24

約数和(自身を含む): 293421128

約数和(自身を除く): 105600911

約数列:

[1, 3, 9, 13, 39, 117, 241, 723, 2169, 3133, 6661, 9399, 19983, 28197, 59949, 86593, 259779, 779337, 1605301, 4815903, 14447709, 20868913, 62606739, 187820217]

約数ペア:

[(1, 187820217), (3, 62606739), (9, 20868913), (13, 14447709), (39, 4815903), (117, 1605301), (241, 779337), (723, 259779), (2169, 86593), (3133, 59949), (6661, 28197), (9399, 19983)]