77128281

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{16139}}^1$

素因数の和:16210

約数の個数: 20

約数和(自身を含む): 117176400

約数和(自身を除く): 40048119

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 16139, 48417, 145251, 435753, 952201, 1307259, 2856603, 8569809, 25709427, 77128281]

約数ペア:

[(1, 77128281), (3, 25709427), (9, 8569809), (27, 2856603), (59, 1307259), (81, 952201), (177, 435753), (531, 145251), (1593, 48417), (4779, 16139)]