81502005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{417959}}^1$

素因数の和:417980

約数の個数: 16

約数和(自身を含む): 140434560

約数和(自身を除く): 58932555

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 417959, 1253877, 2089795, 5433467, 6269385, 16300401, 27167335, 81502005]

約数ペア:

[(1, 81502005), (3, 27167335), (5, 16300401), (13, 6269385), (15, 5433467), (39, 2089795), (65, 1253877), (195, 417959)]