4087005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20980

約数の個数: 16

約数和(自身を含む): 7042560

約数和(自身を除く): 2955555

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 20959, 62877, 104795, 272467, 314385, 817401, 1362335, 4087005]

約数ペア:

[(1, 4087005), (3, 1362335), (5, 817401), (13, 314385), (15, 272467), (39, 104795), (65, 62877), (195, 20959)]