642771363

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 1003871232

約数和(自身を除く): 361099869

約数列:

[1, 3, 13, 23, 37, 39, 69, 107, 111, 181, 299, 321, 481, 543, 851, 897, 1391, 1443, 2353, 2461, 2553, 3959, 4163, 4173, 6697, 7059, 7383, 11063, 11877, 12489, 19367, 20091, 31993, 33189, 51467, 54119, 58101, 87061, 91057, 95979, 154031, 154401, 162357, 251771, 261183, 273171, 445441, 462093, 716579, 755313, 1183741, 1336323, 2002403, 2149737, 3551223, 5790733, 6007209, 9315527, 16481317, 17372199, 27946581, 49443951, 214257121, 642771363]

約数ペア:

[(1, 642771363), (3, 214257121), (13, 49443951), (23, 27946581), (37, 17372199), (39, 16481317), (69, 9315527), (107, 6007209), (111, 5790733), (181, 3551223), (299, 2149737), (321, 2002403), (481, 1336323), (543, 1183741), (851, 755313), (897, 716579), (1391, 462093), (1443, 445441), (2353, 273171), (2461, 261183), (2553, 251771), (3959, 162357), (4163, 154401), (4173, 154031), (6697, 95979), (7059, 91057), (7383, 87061), (11063, 58101), (11877, 54119), (12489, 51467), (19367, 33189), (20091, 31993)]