81140859

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{4703}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 123282432

約数和(自身を除く): 42141573

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1917, 4703, 5751, 14109, 17253, 42327, 126981, 333913, 380943, 1001739, 1142829, 3005217, 9015651, 27046953, 81140859]

約数ペア:

[(1, 81140859), (3, 27046953), (9, 9015651), (27, 3005217), (71, 1142829), (81, 1001739), (213, 380943), (243, 333913), (639, 126981), (1917, 42327), (4703, 17253), (5751, 14109)]