81405651951

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1452557}}^1$

素因数の和:1453055

約数の個数: 24

約数和(自身を含む): 126895466880

約数和(自身を除く): 45489814929

約数列:

[1, 3, 9, 13, 39, 117, 479, 1437, 4311, 6227, 18681, 56043, 1452557, 4357671, 13073013, 18883241, 56649723, 169949169, 695774803, 2087324409, 6261973227, 9045072439, 27135217317, 81405651951]

約数ペア:

[(1, 81405651951), (3, 27135217317), (9, 9045072439), (13, 6261973227), (39, 2087324409), (117, 695774803), (479, 169949169), (1437, 56649723), (4311, 18883241), (6227, 13073013), (18681, 4357671), (56043, 1452557)]