209291216241

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1\times {\mathrm{21787}}^1$

素因数の和:22605

約数の個数: 32

約数和(自身を含む): 288521925120

約数和(自身を除く): 79230708879

約数列:

[1, 3, 43, 113, 129, 339, 659, 1977, 4859, 14577, 21787, 28337, 65361, 74467, 85011, 223401, 936841, 2461931, 2810523, 3202081, 7385793, 9606243, 14357633, 43072899, 105863033, 317589099, 617378219, 1622412529, 1852134657, 4867237587, 69763738747, 209291216241]

約数ペア:

[(1, 209291216241), (3, 69763738747), (43, 4867237587), (113, 1852134657), (129, 1622412529), (339, 617378219), (659, 317589099), (1977, 105863033), (4859, 43072899), (14577, 14357633), (21787, 9606243), (28337, 7385793), (65361, 3202081), (74467, 2810523), (85011, 2461931), (223401, 936841)]