198303

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 328320

約数和(自身を除く): 130017

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 133, 147, 213, 399, 497, 931, 1349, 1491, 2793, 3479, 4047, 9443, 10437, 28329, 66101, 198303]

約数ペア:

[(1, 198303), (3, 66101), (7, 28329), (19, 10437), (21, 9443), (49, 4047), (57, 3479), (71, 2793), (133, 1491), (147, 1349), (213, 931), (399, 497)]