716121

素因数分解:

$3^5\times 7^1\times {\mathrm{421}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 1228864

約数和(自身を除く): 512743

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 421, 567, 1263, 1701, 2947, 3789, 8841, 11367, 26523, 34101, 79569, 102303, 238707, 716121]

約数ペア:

[(1, 716121), (3, 238707), (7, 102303), (9, 79569), (21, 34101), (27, 26523), (63, 11367), (81, 8841), (189, 3789), (243, 2947), (421, 1701), (567, 1263)]