217026303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2687}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 331161600

約数和(自身を除く): 114135297

約数列:

[1, 3, 13, 19, 39, 57, 109, 247, 327, 741, 1417, 2071, 2687, 4251, 6213, 8061, 26923, 34931, 51053, 80769, 104793, 153159, 292883, 663689, 878649, 1991067, 3807479, 5564777, 11422437, 16694331, 72342101, 217026303]

約数ペア:

[(1, 217026303), (3, 72342101), (13, 16694331), (19, 11422437), (39, 5564777), (57, 3807479), (109, 1991067), (247, 878649), (327, 663689), (741, 292883), (1417, 153159), (2071, 104793), (2687, 80769), (4251, 51053), (6213, 34931), (8061, 26923)]