13221993

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 18247680

約数和(自身を除く): 5025687

約数列:

[1, 3, 47, 79, 141, 237, 1187, 3561, 3713, 11139, 55789, 93773, 167367, 281319, 4407331, 13221993]

約数ペア:

[(1, 13221993), (3, 4407331), (47, 281319), (79, 167367), (141, 93773), (237, 55789), (1187, 11139), (3561, 3713)]