28553415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 50257152

約数和(自身を除く): 21703737

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1321, 1441, 1965, 3963, 4323, 6605, 7205, 14531, 19815, 21615, 43593, 72655, 173051, 217965, 519153, 865255, 1903561, 2595765, 5710683, 9517805, 28553415]

約数ペア:

[(1, 28553415), (3, 9517805), (5, 5710683), (11, 2595765), (15, 1903561), (33, 865255), (55, 519153), (131, 217965), (165, 173051), (393, 72655), (655, 43593), (1321, 21615), (1441, 19815), (1965, 14531), (3963, 7205), (4323, 6605)]