77974731

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{13187}}^1$

素因数の和:13272

約数の個数: 20

約数和(自身を含む): 118085352

約数和(自身を除く): 40110621

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 13187, 39561, 118683, 356049, 962651, 1068147, 2887953, 8663859, 25991577, 77974731]

約数ペア:

[(1, 77974731), (3, 25991577), (9, 8663859), (27, 2887953), (73, 1068147), (81, 962651), (219, 356049), (657, 118683), (1971, 39561), (5913, 13187)]