75738645

素因数分解:

$3^4\times 5^1\times {\mathrm{187009}}^1$

素因数の和:187026

約数の個数: 20

約数和(自身を含む): 135769260

約数和(自身を除く): 60030615

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 187009, 561027, 935045, 1683081, 2805135, 5049243, 8415405, 15147729, 25246215, 75738645]

約数ペア:

[(1, 75738645), (3, 25246215), (5, 15147729), (9, 8415405), (15, 5049243), (27, 2805135), (45, 1683081), (81, 935045), (135, 561027), (405, 187009)]