15706047987

素因数分解:

$3^4\times 7^1\times {\mathrm{27700261}}^1$

素因数の和:27700280

約数の個数: 20

約数和(自身を含む): 26813853616

約数和(自身を除く): 11107805629

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27700261, 83100783, 193901827, 249302349, 581705481, 747907047, 1745116443, 2243721141, 5235349329, 15706047987]

約数ペア:

[(1, 15706047987), (3, 5235349329), (7, 2243721141), (9, 1745116443), (21, 747907047), (27, 581705481), (63, 249302349), (81, 193901827), (189, 83100783), (567, 27700261)]