17989405

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2971}}^1$

素因数の和:3156

約数の個数: 16

約数和(自身を含む): 24822144

約数和(自身を除く): 6832739

約数列:

[1, 5, 7, 35, 173, 865, 1211, 2971, 6055, 14855, 20797, 103985, 513983, 2569915, 3597881, 17989405]

約数ペア:

[(1, 17989405), (5, 3597881), (7, 2569915), (35, 513983), (173, 103985), (865, 20797), (1211, 14855), (2971, 6055)]