664880547

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 949536000

約数和(自身を除く): 284655453

約数列:

[1, 3, 19, 57, 83, 249, 313, 449, 939, 1347, 1577, 4731, 5947, 8531, 17841, 25593, 25979, 37267, 77937, 111801, 140537, 421611, 493601, 708073, 1480803, 2124219, 2670203, 8010609, 11664571, 34993713, 221626849, 664880547]

約数ペア:

[(1, 664880547), (3, 221626849), (19, 34993713), (57, 11664571), (83, 8010609), (249, 2670203), (313, 2124219), (449, 1480803), (939, 708073), (1347, 493601), (1577, 421611), (4731, 140537), (5947, 111801), (8531, 77937), (17841, 37267), (25593, 25979)]