12880425

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 21409344

約数和(自身を除く): 8528919

約数列:

[1, 3, 5, 15, 25, 75, 263, 653, 789, 1315, 1959, 3265, 3945, 6575, 9795, 16325, 19725, 48975, 171739, 515217, 858695, 2576085, 4293475, 12880425]

約数ペア:

[(1, 12880425), (3, 4293475), (5, 2576085), (15, 858695), (25, 515217), (75, 171739), (263, 48975), (653, 19725), (789, 16325), (1315, 9795), (1959, 6575), (3265, 3945)]