16378335

素因数分解:

$3^3\times 5^1\times {\mathrm{121321}}^1$

素因数の和:121335

約数の個数: 16

約数和(自身を含む): 29117280

約数和(自身を除く): 12738945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 121321, 363963, 606605, 1091889, 1819815, 3275667, 5459445, 16378335]

約数ペア:

[(1, 16378335), (3, 5459445), (5, 3275667), (9, 1819815), (15, 1091889), (27, 606605), (45, 363963), (135, 121321)]