81131667

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2\times {\mathrm{457}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 116768016

約数和(自身を除く): 35636349

約数列:

[1, 3, 17, 51, 59, 177, 457, 1003, 1371, 3009, 3481, 7769, 10443, 23307, 26963, 59177, 80889, 177531, 458371, 1375113, 1590817, 4772451, 27043889, 81131667]

約数ペア:

[(1, 81131667), (3, 27043889), (17, 4772451), (51, 1590817), (59, 1375113), (177, 458371), (457, 177531), (1003, 80889), (1371, 59177), (3009, 26963), (3481, 23307), (7769, 10443)]