13428135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 27196416

約数和(自身を除く): 13768281

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 907, 987, 1645, 2115, 2721, 2961, 4535, 4935, 6349, 8163, 13605, 14805, 19047, 31745, 40815, 42629, 57141, 95235, 127887, 213145, 285705, 298403, 383661, 639435, 895209, 1492015, 1918305, 2685627, 4476045, 13428135]

約数ペア:

[(1, 13428135), (3, 4476045), (5, 2685627), (7, 1918305), (9, 1492015), (15, 895209), (21, 639435), (35, 383661), (45, 298403), (47, 285705), (63, 213145), (105, 127887), (141, 95235), (235, 57141), (315, 42629), (329, 40815), (423, 31745), (705, 19047), (907, 14805), (987, 13605), (1645, 8163), (2115, 6349), (2721, 4935), (2961, 4535)]