27981205

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6011}}^1$

素因数の和:6049

約数の個数: 24

約数和(自身を含む): 41122080

約数和(自身を除く): 13140875

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 6011, 30055, 42077, 114209, 210385, 294539, 571045, 799463, 1472695, 3997315, 5596241, 27981205]

約数ペア:

[(1, 27981205), (5, 5596241), (7, 3997315), (19, 1472695), (35, 799463), (49, 571045), (95, 294539), (133, 210385), (245, 114209), (665, 42077), (931, 30055), (4655, 6011)]