81901806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1950043}}^1$

素因数の和:1950055

約数の個数: 16

約数和(自身を含む): 187204224

約数和(自身を除く): 105302418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1950043, 3900086, 5850129, 11700258, 13650301, 27300602, 40950903, 81901806]

約数ペア:

[(1, 81901806), (2, 40950903), (3, 27300602), (6, 13650301), (7, 11700258), (14, 5850129), (21, 3900086), (42, 1950043)]