81703895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 127895040

約数和(自身を除く): 46191145

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 169, 247, 455, 665, 727, 845, 1183, 1235, 1729, 3211, 3635, 5089, 5915, 8645, 9451, 13813, 16055, 22477, 25445, 47255, 66157, 69065, 96691, 112385, 122863, 179569, 330785, 483455, 614315, 860041, 897845, 1256983, 2334397, 4300205, 6284915, 11671985, 16340779, 81703895]

約数ペア:

[(1, 81703895), (5, 16340779), (7, 11671985), (13, 6284915), (19, 4300205), (35, 2334397), (65, 1256983), (91, 897845), (95, 860041), (133, 614315), (169, 483455), (247, 330785), (455, 179569), (665, 122863), (727, 112385), (845, 96691), (1183, 69065), (1235, 66157), (1729, 47255), (3211, 25445), (3635, 22477), (5089, 16055), (5915, 13813), (8645, 9451)]