18045381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 26725248

約数和(自身を除く): 8679867

約数列:

[1, 3, 17, 37, 51, 73, 111, 131, 219, 393, 629, 1241, 1887, 2227, 2701, 3723, 4847, 6681, 8103, 9563, 14541, 28689, 45917, 82399, 137751, 162571, 247197, 353831, 487713, 1061493, 6015127, 18045381]

約数ペア:

[(1, 18045381), (3, 6015127), (17, 1061493), (37, 487713), (51, 353831), (73, 247197), (111, 162571), (131, 137751), (219, 82399), (393, 45917), (629, 28689), (1241, 14541), (1887, 9563), (2227, 8103), (2701, 6681), (3723, 4847)]