28005885

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12203}}^1$

素因数の和:12234

約数の個数: 32

約数和(自身を含む): 52721280

約数和(自身を除く): 24715395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 12203, 36609, 61015, 109827, 183045, 207451, 329481, 549135, 622353, 1037255, 1647405, 1867059, 3111765, 5601177, 9335295, 28005885]

約数ペア:

[(1, 28005885), (3, 9335295), (5, 5601177), (9, 3111765), (15, 1867059), (17, 1647405), (27, 1037255), (45, 622353), (51, 549135), (85, 329481), (135, 207451), (153, 183045), (255, 109827), (459, 61015), (765, 36609), (2295, 12203)]