64781607

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 97929216

約数和(自身を除く): 33147609

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 473, 643, 781, 1419, 1929, 2343, 3053, 7073, 9159, 21219, 27649, 33583, 45653, 82947, 100749, 136959, 304139, 502183, 912417, 1506549, 1963079, 5889237, 21593869, 64781607]

約数ペア:

[(1, 64781607), (3, 21593869), (11, 5889237), (33, 1963079), (43, 1506549), (71, 912417), (129, 502183), (213, 304139), (473, 136959), (643, 100749), (781, 82947), (1419, 45653), (1929, 33583), (2343, 27649), (3053, 21219), (7073, 9159)]