18428067

素因数分解:

$3^4\times 7^2\times {\mathrm{4643}}^1$

素因数の和:4669

約数の個数: 30

約数和(自身を含む): 32029668

約数和(自身を除く): 13601601

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4643, 13929, 32501, 41787, 97503, 125361, 227507, 292509, 376083, 682521, 877527, 2047563, 2632581, 6142689, 18428067]

約数ペア:

[(1, 18428067), (3, 6142689), (7, 2632581), (9, 2047563), (21, 877527), (27, 682521), (49, 376083), (63, 292509), (81, 227507), (147, 125361), (189, 97503), (441, 41787), (567, 32501), (1323, 13929), (3969, 4643)]