1246156317

素因数分解:

$3^2\times 7^1\times {\mathrm{19780259}}^1$

素因数の和:19780272

約数の個数: 12

約数和(自身を含む): 2057147040

約数和(自身を除く): 810990723

約数列:

[1, 3, 7, 9, 21, 63, 19780259, 59340777, 138461813, 178022331, 415385439, 1246156317]

約数ペア:

[(1, 1246156317), (3, 415385439), (7, 178022331), (9, 138461813), (21, 59340777), (63, 19780259)]