6491.0000000

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 14584320

約数和(自身を除く): 5502087

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 421, 423, 459, 799, 1263, 1269, 2397, 3789, 7157, 7191, 11367, 19787, 21471, 21573, 59361, 64413, 178083, 193239, 336379, 534249, 1009137, 3027411, 9082233]

約数ペア:

[(1, 9082233), (3, 3027411), (9, 1009137), (17, 534249), (27, 336379), (47, 193239), (51, 178083), (141, 64413), (153, 59361), (421, 21573), (423, 21471), (459, 19787), (799, 11367), (1263, 7191), (1269, 7157), (2397, 3789)]