27242187

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3943}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 43163136

約数和(自身を除く): 15920949

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 3943, 6909, 11829, 27601, 82803, 185321, 193207, 555963, 579621, 1297247, 3891741, 9080729, 27242187]

約数ペア:

[(1, 27242187), (3, 9080729), (7, 3891741), (21, 1297247), (47, 579621), (49, 555963), (141, 193207), (147, 185321), (329, 82803), (987, 27601), (2303, 11829), (3943, 6909)]