81780027

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{105251}}^1$

素因数の和:105298

約数の個数: 16

約数和(自身を含む): 127986432

約数和(自身を除く): 46206405

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 105251, 315753, 736757, 2210271, 3894287, 11682861, 27260009, 81780027]

約数ペア:

[(1, 81780027), (3, 27260009), (7, 11682861), (21, 3894287), (37, 2210271), (111, 736757), (259, 315753), (777, 105251)]