81163159

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6547}}^1$

素因数の和:6595

約数の個数: 24

約数和(自身を含む): 107491968

約数和(自身を除く): 26328809

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 6547, 12397, 45829, 72017, 150581, 320803, 504119, 1054067, 1656391, 3528833, 7378469, 11594737, 81163159]

約数ペア:

[(1, 81163159), (7, 11594737), (11, 7378469), (23, 3528833), (49, 1656391), (77, 1054067), (161, 504119), (253, 320803), (539, 150581), (1127, 72017), (1771, 45829), (6547, 12397)]