2489697

素因数分解:

$3^4\times 7^1\times {\mathrm{4391}}^1$

素因数の和:4410

約数の個数: 20

約数和(自身を含む): 4251456

約数和(自身を除く): 1761759

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4391, 13173, 30737, 39519, 92211, 118557, 276633, 355671, 829899, 2489697]

約数ペア:

[(1, 2489697), (3, 829899), (7, 355671), (9, 276633), (21, 118557), (27, 92211), (63, 39519), (81, 30737), (189, 13173), (567, 4391)]