1640451861

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{1949}}^1\times {\mathrm{2281}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 2429645400

約数和(自身を除く): 789193539

約数列:

[1, 3, 9, 41, 123, 369, 1949, 2281, 5847, 6843, 17541, 20529, 79909, 93521, 239727, 280563, 719181, 841689, 4445669, 13337007, 40011021, 182272429, 546817287, 1640451861]

約数ペア:

[(1, 1640451861), (3, 546817287), (9, 182272429), (41, 40011021), (123, 13337007), (369, 4445669), (1949, 841689), (2281, 719181), (5847, 280563), (6843, 239727), (17541, 93521), (20529, 79909)]