208575405

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 396264960

約数和(自身を除く): 187689555

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 53, 79, 81, 123, 135, 159, 205, 237, 243, 265, 369, 395, 405, 477, 615, 711, 795, 1107, 1185, 1215, 1431, 1845, 2133, 2173, 2385, 3239, 3321, 3555, 4187, 4293, 5535, 6399, 6519, 7155, 9717, 9963, 10665, 10865, 12561, 12879, 16195, 16605, 19197, 19557, 20935, 21465, 29151, 31995, 32595, 37683, 48585, 49815, 58671, 62805, 64395, 87453, 95985, 97785, 113049, 145755, 171667, 176013, 188415, 262359, 293355, 339147, 437265, 515001, 528039, 565245, 787077, 858335, 880065, 1017441, 1311795, 1545003, 1695735, 2575005, 2640195, 3935385, 4635009, 5087205, 7725015, 13905027, 23175045, 41715081, 69525135, 208575405]

約数ペア:

[(1, 208575405), (3, 69525135), (5, 41715081), (9, 23175045), (15, 13905027), (27, 7725015), (41, 5087205), (45, 4635009), (53, 3935385), (79, 2640195), (81, 2575005), (123, 1695735), (135, 1545003), (159, 1311795), (205, 1017441), (237, 880065), (243, 858335), (265, 787077), (369, 565245), (395, 528039), (405, 515001), (477, 437265), (615, 339147), (711, 293355), (795, 262359), (1107, 188415), (1185, 176013), (1215, 171667), (1431, 145755), (1845, 113049), (2133, 97785), (2173, 95985), (2385, 87453), (3239, 64395), (3321, 62805), (3555, 58671), (4187, 49815), (4293, 48585), (5535, 37683), (6399, 32595), (6519, 31995), (7155, 29151), (9717, 21465), (9963, 20935), (10665, 19557), (10865, 19197), (12561, 16605), (12879, 16195)]