9978591

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 16243200

約数和(自身を除く): 6264609

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 281, 399, 623, 843, 1691, 1869, 1967, 5073, 5339, 5901, 11837, 16017, 25009, 35511, 37373, 75027, 112119, 175063, 475171, 525189, 1425513, 3326197, 9978591]

約数ペア:

[(1, 9978591), (3, 3326197), (7, 1425513), (19, 525189), (21, 475171), (57, 175063), (89, 112119), (133, 75027), (267, 37373), (281, 35511), (399, 25009), (623, 16017), (843, 11837), (1691, 5901), (1869, 5339), (1967, 5073)]