17993565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 33853248

約数和(自身を除く): 15859683

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 547, 645, 731, 765, 1641, 1935, 2193, 2735, 3655, 4923, 6579, 8205, 9299, 10965, 23521, 24615, 27897, 32895, 46495, 70563, 83691, 117605, 139485, 211689, 352815, 399857, 418455, 1058445, 1199571, 1999285, 3598713, 5997855, 17993565]

約数ペア:

[(1, 17993565), (3, 5997855), (5, 3598713), (9, 1999285), (15, 1199571), (17, 1058445), (43, 418455), (45, 399857), (51, 352815), (85, 211689), (129, 139485), (153, 117605), (215, 83691), (255, 70563), (387, 46495), (547, 32895), (645, 27897), (731, 24615), (765, 23521), (1641, 10965), (1935, 9299), (2193, 8205), (2735, 6579), (3655, 4923)]