398045007339

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{266965129}}^1$

素因数の和:266965210

約数の個数: 16

約数和(自身を含む): 615087659520

約数和(自身を除く): 217042652181

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 266965129, 800895387, 1868755903, 5606267709, 18954524159, 56863572477, 132681669113, 398045007339]

約数ペア:

[(1, 398045007339), (3, 132681669113), (7, 56863572477), (21, 18954524159), (71, 5606267709), (213, 1868755903), (497, 800895387), (1491, 266965129)]