858197187

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{557633}}^1$

素因数の和:557664

約数の個数: 20

約数和(自身を含む): 1349474280

約数和(自身を除く): 491277093

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 557633, 1672899, 5018697, 10595027, 15056091, 31785081, 45168273, 95355243, 286065729, 858197187]

約数ペア:

[(1, 858197187), (3, 286065729), (9, 95355243), (19, 45168273), (27, 31785081), (57, 15056091), (81, 10595027), (171, 5018697), (513, 1672899), (1539, 557633)]