28687653

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1933}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 44350488

約数和(自身を除く): 15662835

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 1933, 4947, 5799, 14841, 17397, 32861, 98583, 187501, 295749, 562503, 1687509, 3187517, 9562551, 28687653]

約数ペア:

[(1, 28687653), (3, 9562551), (9, 3187517), (17, 1687509), (51, 562503), (97, 295749), (153, 187501), (291, 98583), (873, 32861), (1649, 17397), (1933, 14841), (4947, 5799)]