19683855

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1039}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 34232640

約数和(自身を除く): 14548785

約数列:

[1, 3, 5, 9, 15, 45, 421, 1039, 1263, 2105, 3117, 3789, 5195, 6315, 9351, 15585, 18945, 46755, 437419, 1312257, 2187095, 3936771, 6561285, 19683855]

約数ペア:

[(1, 19683855), (3, 6561285), (5, 3936771), (9, 2187095), (15, 1312257), (45, 437419), (421, 46755), (1039, 18945), (1263, 15585), (2105, 9351), (3117, 6315), (3789, 5195)]