2159745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 4021248

約数和(自身を除く): 1861503

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 307, 335, 469, 921, 1005, 1407, 1535, 2149, 2345, 4605, 6447, 7035, 10745, 20569, 32235, 61707, 102845, 143983, 308535, 431949, 719915, 2159745]

約数ペア:

[(1, 2159745), (3, 719915), (5, 431949), (7, 308535), (15, 143983), (21, 102845), (35, 61707), (67, 32235), (105, 20569), (201, 10745), (307, 7035), (335, 6447), (469, 4605), (921, 2345), (1005, 2149), (1407, 1535)]