72870007

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{12497}}^1$

素因数の和:12535

約数の個数: 16

約数和(自身を含む): 89985600

約数和(自身を除く): 17115593

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 12497, 87479, 212449, 612353, 1487143, 4286471, 10410001, 72870007]

約数ペア:

[(1, 72870007), (7, 10410001), (17, 4286471), (49, 1487143), (119, 612353), (343, 212449), (833, 87479), (5831, 12497)]