156789405

素因数分解:

$3^3\times 5^1\times {\mathrm{1161403}}^1$

素因数の和:1161417

約数の個数: 16

約数和(自身を含む): 278736960

約数和(自身を除く): 121947555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1161403, 3484209, 5807015, 10452627, 17421045, 31357881, 52263135, 156789405]

約数ペア:

[(1, 156789405), (3, 52263135), (5, 31357881), (9, 17421045), (15, 10452627), (27, 5807015), (45, 3484209), (135, 1161403)]