77480985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{977}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 131818752

約数和(自身を除く): 54337767

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 933, 977, 1555, 2931, 4665, 4885, 5287, 14655, 15861, 16609, 26435, 49827, 79305, 83045, 249135, 303847, 911541, 1519235, 4557705, 5165399, 15496197, 25826995, 77480985]

約数ペア:

[(1, 77480985), (3, 25826995), (5, 15496197), (15, 5165399), (17, 4557705), (51, 1519235), (85, 911541), (255, 303847), (311, 249135), (933, 83045), (977, 79305), (1555, 49827), (2931, 26435), (4665, 16609), (4885, 15861), (5287, 14655)]