18780633

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5477}}^1$

素因数の和:5613

約数の個数: 16

約数和(自身を含む): 28047360

約数和(自身を除く): 9266727

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5477, 16431, 49293, 147879, 695579, 2086737, 6260211, 18780633]

約数ペア:

[(1, 18780633), (3, 6260211), (9, 2086737), (27, 695579), (127, 147879), (381, 49293), (1143, 16431), (3429, 5477)]