2620236519

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{752293}}^1$

素因数の和:752348

約数の個数: 20

約数和(自身を含む): 4005213256

約数和(自身を除く): 1384976737

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 752293, 2256879, 6770637, 20311911, 32348599, 60935733, 97045797, 291137391, 873412173, 2620236519]

約数ペア:

[(1, 2620236519), (3, 873412173), (9, 291137391), (27, 97045797), (43, 60935733), (81, 32348599), (129, 20311911), (387, 6770637), (1161, 2256879), (3483, 752293)]