78801885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 145566720

約数和(自身を除く): 66764835

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 239, 255, 431, 717, 765, 1195, 1293, 2151, 2155, 3585, 3879, 4063, 6465, 7327, 10755, 12189, 19395, 20315, 21981, 36567, 36635, 60945, 65943, 103009, 109905, 182835, 309027, 329715, 515045, 927081, 1545135, 1751153, 4635405, 5253459, 8755765, 15760377, 26267295, 78801885]

約数ペア:

[(1, 78801885), (3, 26267295), (5, 15760377), (9, 8755765), (15, 5253459), (17, 4635405), (45, 1751153), (51, 1545135), (85, 927081), (153, 515045), (239, 329715), (255, 309027), (431, 182835), (717, 109905), (765, 103009), (1195, 65943), (1293, 60945), (2151, 36635), (2155, 36567), (3585, 21981), (3879, 20315), (4063, 19395), (6465, 12189), (7327, 10755)]