28958721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18671}}^1$

素因数の和:18732

約数の個数: 16

約数和(自身を含む): 43020288

約数和(自身を除く): 14061567

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18671, 56013, 205381, 616143, 877537, 2632611, 9652907, 28958721]

約数ペア:

[(1, 28958721), (3, 9652907), (11, 2632611), (33, 877537), (47, 616143), (141, 205381), (517, 56013), (1551, 18671)]