16389405

素因数分解:

$3^3\times 5^1\times {\mathrm{121403}}^1$

素因数の和:121417

約数の個数: 16

約数和(自身を含む): 29136960

約数和(自身を除く): 12747555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 121403, 364209, 607015, 1092627, 1821045, 3277881, 5463135, 16389405]

約数ペア:

[(1, 16389405), (3, 5463135), (5, 3277881), (9, 1821045), (15, 1092627), (27, 607015), (45, 364209), (135, 121403)]