667342719

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2179}}^1$

素因数の和:2409

約数の個数: 40

約数和(自身を含む): 1055120000

約数和(自身を除く): 387777281

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 199, 513, 597, 1539, 1791, 2179, 3781, 5373, 6537, 11343, 16119, 19611, 34029, 41401, 58833, 102087, 124203, 176499, 306261, 372609, 433621, 1117827, 1300863, 3353481, 3902589, 8238799, 11707767, 24716397, 35123301, 74149191, 222447573, 667342719]

約数ペア:

[(1, 667342719), (3, 222447573), (9, 74149191), (19, 35123301), (27, 24716397), (57, 11707767), (81, 8238799), (171, 3902589), (199, 3353481), (513, 1300863), (597, 1117827), (1539, 433621), (1791, 372609), (2179, 306261), (3781, 176499), (5373, 124203), (6537, 102087), (11343, 58833), (16119, 41401), (19611, 34029)]