189661581

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{26309}}^1$

素因数の和:26410

約数の個数: 20

約数和(自身を含む): 286515900

約数和(自身を除く): 96854319

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 26309, 78927, 236781, 710343, 2131029, 2341501, 7024503, 21073509, 63220527, 189661581]

約数ペア:

[(1, 189661581), (3, 63220527), (9, 21073509), (27, 7024503), (81, 2341501), (89, 2131029), (267, 710343), (801, 236781), (2403, 78927), (7209, 26309)]