80205345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 152440704

約数和(自身を除く): 72235359

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 311, 495, 521, 933, 1555, 1563, 2605, 2799, 3421, 4665, 4689, 5731, 7815, 10263, 13995, 17105, 17193, 23445, 28655, 30789, 51315, 51579, 85965, 153945, 162031, 257895, 486093, 810155, 1458279, 1782341, 2430465, 5347023, 7291395, 8911705, 16041069, 26735115, 80205345]

約数ペア:

[(1, 80205345), (3, 26735115), (5, 16041069), (9, 8911705), (11, 7291395), (15, 5347023), (33, 2430465), (45, 1782341), (55, 1458279), (99, 810155), (165, 486093), (311, 257895), (495, 162031), (521, 153945), (933, 85965), (1555, 51579), (1563, 51315), (2605, 30789), (2799, 28655), (3421, 23445), (4665, 17193), (4689, 17105), (5731, 13995), (7815, 10263)]