71378541

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 116516400

約数和(自身を除く): 45137859

約数列:

[1, 3, 9, 13, 29, 39, 87, 109, 117, 193, 261, 327, 377, 579, 981, 1131, 1417, 1737, 2509, 3161, 3393, 4251, 5597, 7527, 9483, 12753, 16791, 21037, 22581, 28449, 41093, 50373, 63111, 72761, 123279, 189333, 218283, 273481, 369837, 610073, 654849, 820443, 1830219, 2461329, 5490657, 7930949, 23792847, 71378541]

約数ペア:

[(1, 71378541), (3, 23792847), (9, 7930949), (13, 5490657), (29, 2461329), (39, 1830219), (87, 820443), (109, 654849), (117, 610073), (193, 369837), (261, 273481), (327, 218283), (377, 189333), (579, 123279), (981, 72761), (1131, 63111), (1417, 50373), (1737, 41093), (2509, 28449), (3161, 22581), (3393, 21037), (4251, 16791), (5597, 12753), (7527, 9483)]