81365718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{45053}}^1$

素因数の和:45108

約数の個数: 32

約数和(自身を含む): 190308096

約数和(自身を除く): 108942378

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 45053, 90106, 135159, 270318, 315371, 630742, 946113, 1892226, 1937279, 3874558, 5811837, 11623674, 13560953, 27121906, 40682859, 81365718]

約数ペア:

[(1, 81365718), (2, 40682859), (3, 27121906), (6, 13560953), (7, 11623674), (14, 5811837), (21, 3874558), (42, 1937279), (43, 1892226), (86, 946113), (129, 630742), (258, 315371), (301, 270318), (602, 135159), (903, 90106), (1806, 45053)]