397211031

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{86369}}^1$

素因数の和:86455

約数の個数: 24

約数和(自身を含む): 664703520

約数和(自身を除く): 267492489

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 86369, 259107, 604583, 777321, 1813749, 5441247, 6304937, 18914811, 44134559, 56744433, 132403677, 397211031]

約数ペア:

[(1, 397211031), (3, 132403677), (7, 56744433), (9, 44134559), (21, 18914811), (63, 6304937), (73, 5441247), (219, 1813749), (511, 777321), (657, 604583), (1533, 259107), (4599, 86369)]