261738141

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{121007}}^1$

素因数の和:121120

約数の個数: 16

約数和(自身を含む): 402714624

約数和(自身を除く): 140976483

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 121007, 363021, 847049, 2541147, 12463721, 37391163, 87246047, 261738141]

約数ペア:

[(1, 261738141), (3, 87246047), (7, 37391163), (21, 12463721), (103, 2541147), (309, 847049), (721, 363021), (2163, 121007)]