28909305

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1741}}^1$

素因数の和:1799

約数の個数: 40

約数和(自身を含む): 53117064

約数和(自身を除く): 24207759

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1741, 1845, 3321, 5223, 5535, 8705, 15669, 16605, 26115, 47007, 71381, 78345, 141021, 214143, 235035, 356905, 642429, 705105, 1070715, 1927287, 3212145, 5781861, 9636435, 28909305]

約数ペア:

[(1, 28909305), (3, 9636435), (5, 5781861), (9, 3212145), (15, 1927287), (27, 1070715), (41, 705105), (45, 642429), (81, 356905), (123, 235035), (135, 214143), (205, 141021), (369, 78345), (405, 71381), (615, 47007), (1107, 26115), (1741, 16605), (1845, 15669), (3321, 8705), (5223, 5535)]