81402681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 124104960

約数和(自身を除く): 42702279

約数列:

[1, 3, 17, 23, 29, 51, 69, 87, 391, 493, 667, 1173, 1479, 2001, 2393, 7179, 11339, 34017, 40681, 55039, 69397, 122043, 165117, 208191, 935663, 1179749, 1596131, 2806989, 3539247, 4788393, 27134227, 81402681]

約数ペア:

[(1, 81402681), (3, 27134227), (17, 4788393), (23, 3539247), (29, 2806989), (51, 1596131), (69, 1179749), (87, 935663), (391, 208191), (493, 165117), (667, 122043), (1173, 69397), (1479, 55039), (2001, 40681), (2393, 34017), (7179, 11339)]