2009081787

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 2807439360

約数和(自身を除く): 798357573

約数列:

[1, 3, 47, 61, 109, 141, 183, 327, 2143, 2867, 5123, 6429, 6649, 8601, 15369, 19947, 100721, 130723, 233587, 302163, 312503, 392169, 700761, 937509, 6143981, 10978589, 14248807, 18431943, 32935767, 42746421, 669693929, 2009081787]

約数ペア:

[(1, 2009081787), (3, 669693929), (47, 42746421), (61, 32935767), (109, 18431943), (141, 14248807), (183, 10978589), (327, 6143981), (2143, 937509), (2867, 700761), (5123, 392169), (6429, 312503), (6649, 302163), (8601, 233587), (15369, 130723), (19947, 100721)]