12721266

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{6367}}^1$

素因数の和:6415

約数の個数: 32

約数和(自身を含む): 29038080

約数和(自身を除く): 16316814

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 6367, 12734, 19101, 38202, 57303, 114606, 171909, 235579, 343818, 471158, 706737, 1413474, 2120211, 4240422, 6360633, 12721266]

約数ペア:

[(1, 12721266), (2, 6360633), (3, 4240422), (6, 2120211), (9, 1413474), (18, 706737), (27, 471158), (37, 343818), (54, 235579), (74, 171909), (111, 114606), (222, 57303), (333, 38202), (666, 19101), (999, 12734), (1998, 6367)]