2159206578

素因数分解:

$2^1\times 3^3\times {\mathrm{39985307}}^1$

素因数の和:39985318

約数の個数: 16

約数和(自身を含む): 4798236960

約数和(自身を除く): 2639030382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 39985307, 79970614, 119955921, 239911842, 359867763, 719735526, 1079603289, 2159206578]

約数ペア:

[(1, 2159206578), (2, 1079603289), (3, 719735526), (6, 359867763), (9, 239911842), (18, 119955921), (27, 79970614), (54, 39985307)]