2139453

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 20

約数和(自身を含む): 3255868

約数和(自身を除く): 1116415

約数列:

[1, 3, 9, 27, 61, 81, 183, 433, 549, 1299, 1647, 3897, 4941, 11691, 26413, 35073, 79239, 237717, 713151, 2139453]

約数ペア:

[(1, 2139453), (3, 713151), (9, 237717), (27, 79239), (61, 35073), (81, 26413), (183, 11691), (433, 4941), (549, 3897), (1299, 1647)]