131198031

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1873}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 195090896

約数和(自身を除く): 63892865

約数列:

[1, 3, 9, 43, 129, 181, 387, 543, 1629, 1873, 5619, 7783, 16857, 23349, 70047, 80539, 241617, 339013, 724851, 1017039, 3051117, 14577559, 43732677, 131198031]

約数ペア:

[(1, 131198031), (3, 43732677), (9, 14577559), (43, 3051117), (129, 1017039), (181, 724851), (387, 339013), (543, 241617), (1629, 80539), (1873, 70047), (5619, 23349), (7783, 16857)]