12744855

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3989}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 22407840

約数和(自身を除く): 9662985

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 3989, 11967, 19945, 35901, 59835, 179505, 283219, 849657, 1416095, 2548971, 4248285, 12744855]

約数ペア:

[(1, 12744855), (3, 4248285), (5, 2548971), (9, 1416095), (15, 849657), (45, 283219), (71, 179505), (213, 59835), (355, 35901), (639, 19945), (1065, 11967), (3195, 3989)]