81680778

素因数分解:

$2^1\times 3^3\times {\mathrm{1512607}}^1$

素因数の和:1512618

約数の個数: 16

約数和(自身を含む): 181512960

約数和(自身を除く): 99832182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1512607, 3025214, 4537821, 9075642, 13613463, 27226926, 40840389, 81680778]

約数ペア:

[(1, 81680778), (2, 40840389), (3, 27226926), (6, 13613463), (9, 9075642), (18, 4537821), (27, 3025214), (54, 1512607)]