51384417

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 83404800

約数和(自身を除く): 32020383

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1447, 1691, 1869, 4341, 5073, 10129, 11837, 27493, 30387, 35511, 82479, 128783, 192451, 386349, 577353, 901481, 2446877, 2704443, 7340631, 17128139, 51384417]

約数ペア:

[(1, 51384417), (3, 17128139), (7, 7340631), (19, 2704443), (21, 2446877), (57, 901481), (89, 577353), (133, 386349), (267, 192451), (399, 128783), (623, 82479), (1447, 35511), (1691, 30387), (1869, 27493), (4341, 11837), (5073, 10129)]