139068909

素因数分解:

$3^2\times 7^2\times {\mathrm{315349}}^1$

素因数の和:315369

約数の個数: 18

約数和(自身を含む): 233674350

約数和(自身を除く): 94605441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 315349, 946047, 2207443, 2838141, 6622329, 15452101, 19866987, 46356303, 139068909]

約数ペア:

[(1, 139068909), (3, 46356303), (7, 19866987), (9, 15452101), (21, 6622329), (49, 2838141), (63, 2207443), (147, 946047), (441, 315349)]