81913905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107077}}^1$

素因数の和:107105

約数の個数: 24

約数和(自身を含む): 150337512

約数和(自身を除く): 68423607

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 107077, 321231, 535385, 963693, 1606155, 1820309, 4818465, 5460927, 9101545, 16382781, 27304635, 81913905]

約数ペア:

[(1, 81913905), (3, 27304635), (5, 16382781), (9, 9101545), (15, 5460927), (17, 4818465), (45, 1820309), (51, 1606155), (85, 963693), (153, 535385), (255, 321231), (765, 107077)]