81513531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4549}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 129183600

約数和(自身を除く): 47670069

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1629, 1991, 4549, 5973, 13647, 17919, 40941, 50039, 150117, 450351, 823369, 2470107, 7410321, 9057059, 27171177, 81513531]

約数ペア:

[(1, 81513531), (3, 27171177), (9, 9057059), (11, 7410321), (33, 2470107), (99, 823369), (181, 450351), (543, 150117), (1629, 50039), (1991, 40941), (4549, 17919), (5973, 13647)]