8162217

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 14496768

約数和(自身を除く): 6334551

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 131, 161, 207, 301, 387, 393, 483, 903, 917, 989, 1179, 1449, 2709, 2751, 2967, 3013, 5633, 6923, 8253, 8901, 9039, 16899, 20769, 21091, 27117, 39431, 50697, 62307, 63273, 118293, 129559, 189819, 354879, 388677, 906913, 1166031, 2720739, 8162217]

約数ペア:

[(1, 8162217), (3, 2720739), (7, 1166031), (9, 906913), (21, 388677), (23, 354879), (43, 189819), (63, 129559), (69, 118293), (129, 63273), (131, 62307), (161, 50697), (207, 39431), (301, 27117), (387, 21091), (393, 20769), (483, 16899), (903, 9039), (917, 8901), (989, 8253), (1179, 6923), (1449, 5633), (2709, 3013), (2751, 2967)]