25409553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21017}}^1$

素因数の和:21064

約数の個数: 16

約数和(自身を含む): 37664256

約数和(自身を除く): 12254703

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 21017, 63051, 273221, 651527, 819663, 1954581, 8469851, 25409553]

約数ペア:

[(1, 25409553), (3, 8469851), (13, 1954581), (31, 819663), (39, 651527), (93, 273221), (403, 63051), (1209, 21017)]