87021621

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{14717}}^1$

素因数の和:14802

約数の個数: 20

約数和(自身を含む): 131784972

約数和(自身を除く): 44763351

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 14717, 44151, 132453, 397359, 1074341, 1192077, 3223023, 9669069, 29007207, 87021621]

約数ペア:

[(1, 87021621), (3, 29007207), (9, 9669069), (27, 3223023), (73, 1192077), (81, 1074341), (219, 397359), (657, 132453), (1971, 44151), (5913, 14717)]