81871902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{649777}}^1$

素因数の和:649792

約数の個数: 24

約数和(自身を含む): 202730736

約数和(自身を除く): 120858834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 649777, 1299554, 1949331, 3898662, 4548439, 5847993, 9096878, 11695986, 13645317, 27290634, 40935951, 81871902]

約数ペア:

[(1, 81871902), (2, 40935951), (3, 27290634), (6, 13645317), (7, 11695986), (9, 9096878), (14, 5847993), (18, 4548439), (21, 3898662), (42, 1949331), (63, 1299554), (126, 649777)]