8913261

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 14515200

約数和(自身を除く): 5601939

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 251, 267, 399, 623, 753, 1691, 1757, 1869, 4769, 5073, 5271, 11837, 14307, 22339, 33383, 35511, 67017, 100149, 156373, 424441, 469119, 1273323, 2971087, 8913261]

約数ペア:

[(1, 8913261), (3, 2971087), (7, 1273323), (19, 469119), (21, 424441), (57, 156373), (89, 100149), (133, 67017), (251, 35511), (267, 33383), (399, 22339), (623, 14307), (753, 11837), (1691, 5271), (1757, 5073), (1869, 4769)]