81820914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3011}}^1$

素因数の和:3670

約数の個数: 32

約数和(自身を含む): 187370496

約数和(自身を除く): 105549582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 647, 1294, 1941, 3011, 3882, 4529, 6022, 9033, 9058, 13587, 18066, 21077, 27174, 42154, 63231, 126462, 1948117, 3896234, 5844351, 11688702, 13636819, 27273638, 40910457, 81820914]

約数ペア:

[(1, 81820914), (2, 40910457), (3, 27273638), (6, 13636819), (7, 11688702), (14, 5844351), (21, 3896234), (42, 1948117), (647, 126462), (1294, 63231), (1941, 42154), (3011, 27174), (3882, 21077), (4529, 18066), (6022, 13587), (9033, 9058)]