135921645

素因数分解:

$3^4\times 5^1\times {\mathrm{335609}}^1$

素因数の和:335626

約数の個数: 20

約数和(自身を含む): 243652860

約数和(自身を除く): 107731215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 335609, 1006827, 1678045, 3020481, 5034135, 9061443, 15102405, 27184329, 45307215, 135921645]

約数ペア:

[(1, 135921645), (3, 45307215), (5, 27184329), (9, 15102405), (15, 9061443), (27, 5034135), (45, 3020481), (81, 1678045), (135, 1006827), (405, 335609)]