25339431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20959}}^1$

素因数の和:21006

約数の個数: 16

約数和(自身を含む): 37560320

約数和(自身を除く): 12220889

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 20959, 62877, 272467, 649729, 817401, 1949187, 8446477, 25339431]

約数ペア:

[(1, 25339431), (3, 8446477), (13, 1949187), (31, 817401), (39, 649729), (93, 272467), (403, 62877), (1209, 20959)]