42439905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 80617680

約数和(自身を除く): 38177775

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1479, 1913, 2465, 4437, 5739, 7395, 9565, 17217, 22185, 28695, 32521, 55477, 86085, 97563, 162605, 166431, 277385, 292689, 487815, 499293, 832155, 943109, 1463445, 2496465, 2829327, 4715545, 8487981, 14146635, 42439905]

約数ペア:

[(1, 42439905), (3, 14146635), (5, 8487981), (9, 4715545), (15, 2829327), (17, 2496465), (29, 1463445), (45, 943109), (51, 832155), (85, 499293), (87, 487815), (145, 292689), (153, 277385), (255, 166431), (261, 162605), (435, 97563), (493, 86085), (765, 55477), (1305, 32521), (1479, 28695), (1913, 22185), (2465, 17217), (4437, 9565), (5739, 7395)]