398041485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{1721}}^1$

素因数の和:2653

約数の個数: 32

約数和(自身を含む): 675464832

約数和(自身を除く): 277423347

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 907, 1721, 2721, 4535, 5163, 8605, 13605, 15419, 25815, 29257, 46257, 77095, 87771, 146285, 231285, 438855, 1560947, 4682841, 7804735, 23414205, 26536099, 79608297, 132680495, 398041485]

約数ペア:

[(1, 398041485), (3, 132680495), (5, 79608297), (15, 26536099), (17, 23414205), (51, 7804735), (85, 4682841), (255, 1560947), (907, 438855), (1721, 231285), (2721, 146285), (4535, 87771), (5163, 77095), (8605, 46257), (13605, 29257), (15419, 25815)]