641835

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 1179360

約数和(自身を除く): 537525

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 839, 2517, 4195, 7551, 12585, 14263, 37755, 42789, 71315, 128367, 213945, 641835]

約数ペア:

[(1, 641835), (3, 213945), (5, 128367), (9, 71315), (15, 42789), (17, 37755), (45, 14263), (51, 12585), (85, 7551), (153, 4195), (255, 2517), (765, 839)]