28260417

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3001}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 39098048

約数和(自身を除く): 10837631

約数列:

[1, 3, 43, 73, 129, 219, 3001, 3139, 9003, 9417, 129043, 219073, 387129, 657219, 9420139, 28260417]

約数ペア:

[(1, 28260417), (3, 9420139), (43, 657219), (73, 387129), (129, 219073), (219, 129043), (3001, 9417), (3139, 9003)]