201989865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{977}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 405596160

約数和(自身を除く): 203606295

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 179, 231, 385, 537, 895, 977, 1155, 1253, 1969, 2685, 2931, 3759, 4885, 5907, 6265, 6839, 9845, 10747, 13783, 14655, 18795, 20517, 29535, 32241, 34195, 41349, 53735, 68915, 75229, 102585, 161205, 174883, 206745, 225687, 376145, 524649, 874415, 1128435, 1224181, 1923713, 2623245, 3672543, 5771139, 6120905, 9618565, 13465991, 18362715, 28855695, 40397973, 67329955, 201989865]

約数ペア:

[(1, 201989865), (3, 67329955), (5, 40397973), (7, 28855695), (11, 18362715), (15, 13465991), (21, 9618565), (33, 6120905), (35, 5771139), (55, 3672543), (77, 2623245), (105, 1923713), (165, 1224181), (179, 1128435), (231, 874415), (385, 524649), (537, 376145), (895, 225687), (977, 206745), (1155, 174883), (1253, 161205), (1969, 102585), (2685, 75229), (2931, 68915), (3759, 53735), (4885, 41349), (5907, 34195), (6265, 32241), (6839, 29535), (9845, 20517), (10747, 18795), (13783, 14655)]