690147135

素因数分解:

$3^4\times 5^1\times {\mathrm{1704067}}^1$

素因数の和:1704084

約数の個数: 20

約数和(自身を含む): 1237153368

約数和(自身を除く): 547006233

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1704067, 5112201, 8520335, 15336603, 25561005, 46009809, 76683015, 138029427, 230049045, 690147135]

約数ペア:

[(1, 690147135), (3, 230049045), (5, 138029427), (9, 76683015), (15, 46009809), (27, 25561005), (45, 15336603), (81, 8520335), (135, 5112201), (405, 1704067)]