201647475

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 394488640

約数和(自身を除く): 192841165

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 675, 855, 1215, 1425, 1539, 1747, 2025, 2565, 4275, 4617, 5241, 6075, 7695, 8735, 12825, 15723, 23085, 26205, 33193, 38475, 43675, 47169, 78615, 99579, 115425, 131025, 141507, 165965, 235845, 298737, 393075, 424521, 497895, 707535, 829825, 896211, 1179225, 1493685, 2122605, 2489475, 2688633, 3537675, 4481055, 7468425, 8065899, 10613025, 13443165, 22405275, 40329495, 67215825, 201647475]

約数ペア:

[(1, 201647475), (3, 67215825), (5, 40329495), (9, 22405275), (15, 13443165), (19, 10613025), (25, 8065899), (27, 7468425), (45, 4481055), (57, 3537675), (75, 2688633), (81, 2489475), (95, 2122605), (135, 1493685), (171, 1179225), (225, 896211), (243, 829825), (285, 707535), (405, 497895), (475, 424521), (513, 393075), (675, 298737), (855, 235845), (1215, 165965), (1425, 141507), (1539, 131025), (1747, 115425), (2025, 99579), (2565, 78615), (4275, 47169), (4617, 43675), (5241, 38475), (6075, 33193), (7695, 26205), (8735, 23085), (12825, 15723)]