81380715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{417337}}^1$

素因数の和:417358

約数の個数: 16

約数和(自身を含む): 140225568

約数和(自身を除く): 58844853

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 417337, 1252011, 2086685, 5425381, 6260055, 16276143, 27126905, 81380715]

約数ペア:

[(1, 81380715), (3, 27126905), (5, 16276143), (13, 6260055), (15, 5425381), (39, 2086685), (65, 1252011), (195, 417337)]