25842645

素因数分解:

$3^4\times 5^1\times {\mathrm{63809}}^1$

素因数の和:63826

約数の個数: 20

約数和(自身を含む): 46326060

約数和(自身を除く): 20483415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63809, 191427, 319045, 574281, 957135, 1722843, 2871405, 5168529, 8614215, 25842645]

約数ペア:

[(1, 25842645), (3, 8614215), (5, 5168529), (9, 2871405), (15, 1722843), (27, 957135), (45, 574281), (81, 319045), (135, 191427), (405, 63809)]