25121259

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{593}}^1$

素因数の和:1128

約数の個数: 20

約数和(自身を含む): 37661976

約数和(自身を除く): 12540717

約数列:

[1, 3, 9, 27, 81, 523, 593, 1569, 1779, 4707, 5337, 14121, 16011, 42363, 48033, 310139, 930417, 2791251, 8373753, 25121259]

約数ペア:

[(1, 25121259), (3, 8373753), (9, 2791251), (27, 930417), (81, 310139), (523, 48033), (593, 42363), (1569, 16011), (1779, 14121), (4707, 5337)]