81927045

素因数分解:

$3^4\times 5^1\times {\mathrm{202289}}^1$

素因数の和:202306

約数の個数: 20

約数和(自身を含む): 146862540

約数和(自身を除く): 64935495

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 202289, 606867, 1011445, 1820601, 3034335, 5461803, 9103005, 16385409, 27309015, 81927045]

約数ペア:

[(1, 81927045), (3, 27309015), (5, 16385409), (9, 9103005), (15, 5461803), (27, 3034335), (45, 1820601), (81, 1011445), (135, 606867), (405, 202289)]