213715971

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{9397}}^1$

素因数の和:9448

約数の個数: 36

約数和(自身を含む): 372386352

約数和(自身を除く): 158670381

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 3249, 7581, 9397, 22743, 28191, 65779, 84573, 178543, 197337, 535629, 592011, 1249801, 1606887, 3392317, 3749403, 10176951, 11248209, 23746219, 30530853, 71238657, 213715971]

約数ペア:

[(1, 213715971), (3, 71238657), (7, 30530853), (9, 23746219), (19, 11248209), (21, 10176951), (57, 3749403), (63, 3392317), (133, 1606887), (171, 1249801), (361, 592011), (399, 535629), (1083, 197337), (1197, 178543), (2527, 84573), (3249, 65779), (7581, 28191), (9397, 22743)]