209541661

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 254185344

約数和(自身を除く): 44643683

約数列:

[1, 7, 23, 71, 161, 497, 529, 797, 1633, 3703, 5579, 11431, 18331, 37559, 56587, 128317, 262913, 396109, 421613, 1301501, 2951291, 9110507, 29934523, 209541661]

約数ペア:

[(1, 209541661), (7, 29934523), (23, 9110507), (71, 2951291), (161, 1301501), (497, 421613), (529, 396109), (797, 262913), (1633, 128317), (3703, 56587), (5579, 37559), (11431, 18331)]