209901159

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 367113600

約数和(自身を除く): 157212441

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 87, 117, 153, 221, 261, 351, 377, 459, 493, 663, 783, 1131, 1213, 1479, 1989, 3393, 3639, 4437, 5967, 6409, 10179, 10917, 13311, 15769, 19227, 20621, 32751, 35177, 47307, 57681, 61863, 105531, 141921, 173043, 185589, 268073, 316593, 425763, 457301, 556767, 598009, 804219, 949779, 1371903, 1794027, 2412657, 4115709, 5382081, 7237971, 7774117, 12347127, 16146243, 23322351, 69967053, 209901159]

約数ペア:

[(1, 209901159), (3, 69967053), (9, 23322351), (13, 16146243), (17, 12347127), (27, 7774117), (29, 7237971), (39, 5382081), (51, 4115709), (87, 2412657), (117, 1794027), (153, 1371903), (221, 949779), (261, 804219), (351, 598009), (377, 556767), (459, 457301), (493, 425763), (663, 316593), (783, 268073), (1131, 185589), (1213, 173043), (1479, 141921), (1989, 105531), (3393, 61863), (3639, 57681), (4437, 47307), (5967, 35177), (6409, 32751), (10179, 20621), (10917, 19227), (13311, 15769)]