81349653

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{7187}}^1$

素因数の和:7222

約数の個数: 32

約数和(自身を含む): 138009600

約数和(自身を除く): 56659947

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 3773, 7187, 11319, 21561, 50309, 79057, 150927, 237171, 352163, 553399, 1056489, 1660197, 2465141, 3873793, 7395423, 11621379, 27116551, 81349653]

約数ペア:

[(1, 81349653), (3, 27116551), (7, 11621379), (11, 7395423), (21, 3873793), (33, 2465141), (49, 1660197), (77, 1056489), (147, 553399), (231, 352163), (343, 237171), (539, 150927), (1029, 79057), (1617, 50309), (3773, 21561), (7187, 11319)]