27881189

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5180

約数の個数: 16

約数和(自身を含む): 34366080

約数和(自身を除く): 6484891

約数列:

[1, 7, 19, 41, 133, 287, 779, 5113, 5453, 35791, 97147, 209633, 680029, 1467431, 3983027, 27881189]

約数ペア:

[(1, 27881189), (7, 3983027), (19, 1467431), (41, 680029), (133, 209633), (287, 97147), (779, 35791), (5113, 5453)]