86561721

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 127445760

約数和(自身を除く): 40884039

約数列:

[1, 3, 9, 73, 219, 359, 367, 657, 1077, 1101, 3231, 3303, 26207, 26791, 78621, 80373, 131753, 235863, 241119, 395259, 1185777, 9617969, 28853907, 86561721]

約数ペア:

[(1, 86561721), (3, 28853907), (9, 9617969), (73, 1185777), (219, 395259), (359, 241119), (367, 235863), (657, 131753), (1077, 80373), (1101, 78621), (3231, 26791), (3303, 26207)]