15385185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8005

約数の個数: 24

約数和(自身を含む): 27291264

約数和(自身を除く): 11906079

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 7951, 23853, 39755, 71559, 119265, 341893, 357795, 1025679, 1709465, 3077037, 5128395, 15385185]

約数ペア:

[(1, 15385185), (3, 5128395), (5, 3077037), (9, 1709465), (15, 1025679), (43, 357795), (45, 341893), (129, 119265), (215, 71559), (387, 39755), (645, 23853), (1935, 7951)]