27880531

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 33490944

約数和(自身を除く): 5610413

約数列:

[1, 7, 23, 157, 161, 1099, 1103, 3611, 7721, 25277, 25369, 173171, 177583, 1212197, 3982933, 27880531]

約数ペア:

[(1, 27880531), (7, 3982933), (23, 1212197), (157, 177583), (161, 173171), (1099, 25369), (1103, 25277), (3611, 7721)]