81123945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8681}}^1$

素因数の和:8785

約数の個数: 32

約数和(自身を含む): 150024960

約数和(自身を除く): 68901015

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 3115, 8681, 9345, 26043, 43405, 60767, 130215, 182301, 303835, 772609, 911505, 2317827, 3863045, 5408263, 11589135, 16224789, 27041315, 81123945]

約数ペア:

[(1, 81123945), (3, 27041315), (5, 16224789), (7, 11589135), (15, 5408263), (21, 3863045), (35, 2317827), (89, 911505), (105, 772609), (267, 303835), (445, 182301), (623, 130215), (1335, 60767), (1869, 43405), (3115, 26043), (8681, 9345)]