66221289

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1429}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 101129600

約数和(自身を除く): 34908311

約数列:

[1, 3, 9, 19, 57, 171, 271, 813, 1429, 2439, 4287, 5149, 12861, 15447, 27151, 46341, 81453, 244359, 387259, 1161777, 3485331, 7357921, 22073763, 66221289]

約数ペア:

[(1, 66221289), (3, 22073763), (9, 7357921), (19, 3485331), (57, 1161777), (171, 387259), (271, 244359), (813, 81453), (1429, 46341), (2439, 27151), (4287, 15447), (5149, 12861)]