71378019

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16087}}^1$

素因数の和:16139

約数の個数: 24

約数和(自身を含む): 112937760

約数和(自身を除く): 41559741

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 16087, 48261, 144783, 273479, 466523, 820437, 1399569, 2461311, 4198707, 7930891, 23792673, 71378019]

約数ペア:

[(1, 71378019), (3, 23792673), (9, 7930891), (17, 4198707), (29, 2461311), (51, 1399569), (87, 820437), (153, 466523), (261, 273479), (493, 144783), (1479, 48261), (4437, 16087)]