27980027

素因数分解:

${\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:650

約数の個数: 12

約数和(自身を含む): 29763720

約数和(自身を除く): 1783693

約数列:

[1, 19, 179, 361, 433, 3401, 8227, 64619, 77507, 156313, 1472633, 27980027]

約数ペア:

[(1, 27980027), (19, 1472633), (179, 156313), (361, 77507), (433, 64619), (3401, 8227)]