906913

素因数分解:

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

素因数の和:204

約数の個数: 16

約数和(自身を含む): 1115136

約数和(自身を除く): 208223

約数列:

[1, 7, 23, 43, 131, 161, 301, 917, 989, 3013, 5633, 6923, 21091, 39431, 129559, 906913]

約数ペア:

[(1, 906913), (7, 129559), (23, 39431), (43, 21091), (131, 6923), (161, 5633), (301, 3013), (917, 989)]