2988945

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 5231616

約数和(自身を除く): 2242671

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 523, 635, 1143, 1569, 1905, 2615, 4707, 5715, 7845, 23535, 66421, 199263, 332105, 597789, 996315, 2988945]

約数ペア:

[(1, 2988945), (3, 996315), (5, 597789), (9, 332105), (15, 199263), (45, 66421), (127, 23535), (381, 7845), (523, 5715), (635, 4707), (1143, 2615), (1569, 1905)]