16880157

素因数分解:

$3^4\times 7^2\times {\mathrm{4253}}^1$

素因数の和:4279

約数の個数: 30

約数和(自身を含む): 29339838

約数和(自身を除く): 12459681

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4253, 12759, 29771, 38277, 89313, 114831, 208397, 267939, 344493, 625191, 803817, 1875573, 2411451, 5626719, 16880157]

約数ペア:

[(1, 16880157), (3, 5626719), (7, 2411451), (9, 1875573), (21, 803817), (27, 625191), (49, 344493), (63, 267939), (81, 208397), (147, 114831), (189, 89313), (441, 38277), (567, 29771), (1323, 12759), (3969, 4253)]