9821931

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 15628800

約数和(自身を除く): 5806869

約数列:

[1, 3, 7, 21, 43, 73, 129, 149, 219, 301, 447, 511, 903, 1043, 1533, 3129, 3139, 6407, 9417, 10877, 19221, 21973, 32631, 44849, 65919, 76139, 134547, 228417, 467711, 1403133, 3273977, 9821931]

約数ペア:

[(1, 9821931), (3, 3273977), (7, 1403133), (21, 467711), (43, 228417), (73, 134547), (129, 76139), (149, 65919), (219, 44849), (301, 32631), (447, 21973), (511, 19221), (903, 10877), (1043, 9417), (1533, 6407), (3129, 3139)]