289968609

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{7591}}^1$

素因数の和:7725

約数の個数: 32

約数和(自身を含む): 472283136

約数和(自身を除く): 182314527

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2247, 5457, 7591, 12733, 22773, 38199, 53137, 129047, 159411, 387141, 812237, 903329, 2436711, 2709987, 5685659, 13808029, 17056977, 41424087, 96656203, 289968609]

約数ペア:

[(1, 289968609), (3, 96656203), (7, 41424087), (17, 17056977), (21, 13808029), (51, 5685659), (107, 2709987), (119, 2436711), (321, 903329), (357, 812237), (749, 387141), (1819, 159411), (2247, 129047), (5457, 53137), (7591, 38199), (12733, 22773)]