28221615

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4099}}^1$

素因数の和:4133

約数の個数: 40

約数和(自身を含む): 53578800

約数和(自身を除く): 25357185

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 4099, 6885, 12297, 20495, 36891, 61485, 69683, 110673, 184455, 209049, 332019, 348415, 553365, 627147, 1045245, 1660095, 1881441, 3135735, 5644323, 9407205, 28221615]

約数ペア:

[(1, 28221615), (3, 9407205), (5, 5644323), (9, 3135735), (15, 1881441), (17, 1660095), (27, 1045245), (45, 627147), (51, 553365), (81, 348415), (85, 332019), (135, 209049), (153, 184455), (255, 110673), (405, 69683), (459, 61485), (765, 36891), (1377, 20495), (2295, 12297), (4099, 6885)]