18033219

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 10305981

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 409, 621, 639, 1227, 1633, 1917, 3681, 4899, 9407, 11043, 14697, 28221, 29039, 44091, 84663, 87117, 253989, 261351, 667897, 784053, 2003691, 6011073, 18033219]

約数ペア:

[(1, 18033219), (3, 6011073), (9, 2003691), (23, 784053), (27, 667897), (69, 261351), (71, 253989), (207, 87117), (213, 84663), (409, 44091), (621, 29039), (639, 28221), (1227, 14697), (1633, 11043), (1917, 9407), (3681, 4899)]