168439257

素因数分解:

$3^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{709}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 288657600

約数和(自身を除く): 120218343

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 419, 567, 709, 1257, 2127, 2933, 3771, 4963, 6381, 8799, 11313, 14889, 19143, 26397, 33939, 44667, 57429, 79191, 134001, 237573, 297071, 402003, 891213, 2079497, 2673639, 6238491, 8020917, 18715473, 24062751, 56146419, 168439257]

約数ペア:

[(1, 168439257), (3, 56146419), (7, 24062751), (9, 18715473), (21, 8020917), (27, 6238491), (63, 2673639), (81, 2079497), (189, 891213), (419, 402003), (567, 297071), (709, 237573), (1257, 134001), (2127, 79191), (2933, 57429), (3771, 44667), (4963, 33939), (6381, 26397), (8799, 19143), (11313, 14889)]