40940145

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2161}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 71164392

約数和(自身を除く): 30224247

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 2105, 2161, 3789, 6315, 6483, 10805, 18945, 19449, 32415, 97245, 909781, 2729343, 4548905, 8188029, 13646715, 40940145]

約数ペア:

[(1, 40940145), (3, 13646715), (5, 8188029), (9, 4548905), (15, 2729343), (45, 909781), (421, 97245), (1263, 32415), (2105, 19449), (2161, 18945), (3789, 10805), (6315, 6483)]