40886289

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{773}}^1$

素因数の和:1438

約数の個数: 20

約数和(自身を含む): 61249716

約数和(自身を除く): 20363427

約数列:

[1, 3, 9, 27, 81, 653, 773, 1959, 2319, 5877, 6957, 17631, 20871, 52893, 62613, 504769, 1514307, 4542921, 13628763, 40886289]

約数ペア:

[(1, 40886289), (3, 13628763), (9, 4542921), (27, 1514307), (81, 504769), (653, 62613), (773, 52893), (1959, 20871), (2319, 17631), (5877, 6957)]