27828969

素因数分解:

$3^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1249}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 42480000

約数和(自身を除く): 14651031

約数列:

[1, 3, 7, 21, 1061, 1249, 3183, 3747, 7427, 8743, 22281, 26229, 1325189, 3975567, 9276323, 27828969]

約数ペア:

[(1, 27828969), (3, 9276323), (7, 3975567), (21, 1325189), (1061, 26229), (1249, 22281), (3183, 8743), (3747, 7427)]