12387015

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3877}}^1$

素因数の和:3959

約数の個数: 24

約数和(自身を含む): 21778848

約数和(自身を除く): 9391833

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 3877, 11631, 19385, 34893, 58155, 174465, 275267, 825801, 1376335, 2477403, 4129005, 12387015]

約数ペア:

[(1, 12387015), (3, 4129005), (5, 2477403), (9, 1376335), (15, 825801), (45, 275267), (71, 174465), (213, 58155), (355, 34893), (639, 19385), (1065, 11631), (3195, 3877)]