28701945

素因数分解:

$3^5\times 5^1\times {\mathrm{23623}}^1$

素因数の和:23643

約数の個数: 24

約数和(自身を含む): 51594816

約数和(自身を除く): 22892871

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23623, 70869, 118115, 212607, 354345, 637821, 1063035, 1913463, 3189105, 5740389, 9567315, 28701945]

約数ペア:

[(1, 28701945), (3, 9567315), (5, 5740389), (9, 3189105), (15, 1913463), (27, 1063035), (45, 637821), (81, 354345), (135, 212607), (243, 118115), (405, 70869), (1215, 23623)]