81781359

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{6089}}^1$

素因数の和:6151

約数の個数: 24

約数和(自身を含む): 123115440

約数和(自身を除く): 41334081

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 6089, 13431, 18267, 66979, 200937, 225293, 675879, 736769, 2210307, 2478223, 7434669, 27260453, 81781359]

約数ペア:

[(1, 81781359), (3, 27260453), (11, 7434669), (33, 2478223), (37, 2210307), (111, 736769), (121, 675879), (363, 225293), (407, 200937), (1221, 66979), (4477, 18267), (6089, 13431)]