25561887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21143}}^1$

素因数の和:21190

約数の個数: 16

約数和(自身を含む): 37890048

約数和(自身を除く): 12328161

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 21143, 63429, 274859, 655433, 824577, 1966299, 8520629, 25561887]

約数ペア:

[(1, 25561887), (3, 8520629), (13, 1966299), (31, 824577), (39, 655433), (93, 274859), (403, 63429), (1209, 21143)]