2081565

素因数分解:

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

素因数の和:938

約数の個数: 32

約数和(自身を含む): 3922560

約数和(自身を除く): 1840995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 907, 2295, 2721, 4535, 8163, 13605, 15419, 24489, 40815, 46257, 77095, 122445, 138771, 231285, 416313, 693855, 2081565]

約数ペア:

[(1, 2081565), (3, 693855), (5, 416313), (9, 231285), (15, 138771), (17, 122445), (27, 77095), (45, 46257), (51, 40815), (85, 24489), (135, 15419), (153, 13605), (255, 8163), (459, 4535), (765, 2721), (907, 2295)]