66993885

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{7877}}^1$

素因数の和:7904

約数の個数: 48

約数和(自身を含む): 137644416

約数和(自身を除く): 70650531

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 7877, 8505, 23631, 39385, 55139, 70893, 118155, 165417, 212679, 275695, 354465, 496251, 638037, 827085, 1063395, 1488753, 1914111, 2481255, 3190185, 4466259, 7443765, 9570555, 13398777, 22331295, 66993885]

約数ペア:

[(1, 66993885), (3, 22331295), (5, 13398777), (7, 9570555), (9, 7443765), (15, 4466259), (21, 3190185), (27, 2481255), (35, 1914111), (45, 1488753), (63, 1063395), (81, 827085), (105, 638037), (135, 496251), (189, 354465), (243, 275695), (315, 212679), (405, 165417), (567, 118155), (945, 70893), (1215, 55139), (1701, 39385), (2835, 23631), (7877, 8505)]