201317787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 345204288

約数和(自身を除く): 143886501

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 129, 131, 171, 209, 361, 387, 393, 473, 627, 817, 1083, 1179, 1419, 1441, 1881, 2451, 2489, 3249, 3971, 4257, 4323, 5633, 7353, 7467, 8987, 11913, 12969, 15523, 16899, 22401, 26961, 27379, 35739, 46569, 47291, 50697, 61963, 80883, 82137, 107027, 139707, 141873, 170753, 185889, 246411, 321081, 425619, 512259, 520201, 557667, 963243, 1177297, 1536777, 1560603, 2033513, 3531891, 4681809, 6100539, 10595673, 18301617, 22368643, 67105929, 201317787]

約数ペア:

[(1, 201317787), (3, 67105929), (9, 22368643), (11, 18301617), (19, 10595673), (33, 6100539), (43, 4681809), (57, 3531891), (99, 2033513), (129, 1560603), (131, 1536777), (171, 1177297), (209, 963243), (361, 557667), (387, 520201), (393, 512259), (473, 425619), (627, 321081), (817, 246411), (1083, 185889), (1179, 170753), (1419, 141873), (1441, 139707), (1881, 107027), (2451, 82137), (2489, 80883), (3249, 61963), (3971, 50697), (4257, 47291), (4323, 46569), (5633, 35739), (7353, 27379), (7467, 26961), (8987, 22401), (11913, 16899), (12969, 15523)]