201997383

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 342144000

約数和(自身を除く): 140146617

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 109, 119, 179, 203, 327, 357, 493, 537, 609, 763, 1253, 1479, 1853, 2289, 3043, 3161, 3451, 3759, 5191, 5559, 9129, 9483, 10353, 12971, 15573, 19511, 21301, 22127, 36337, 38913, 53737, 58533, 63903, 66381, 88247, 109011, 136577, 161211, 264741, 331687, 376159, 409731, 565819, 617729, 995061, 1128477, 1697457, 1853187, 2321809, 3960733, 6965427, 9618923, 11882199, 28856769, 67332461, 201997383]

約数ペア:

[(1, 201997383), (3, 67332461), (7, 28856769), (17, 11882199), (21, 9618923), (29, 6965427), (51, 3960733), (87, 2321809), (109, 1853187), (119, 1697457), (179, 1128477), (203, 995061), (327, 617729), (357, 565819), (493, 409731), (537, 376159), (609, 331687), (763, 264741), (1253, 161211), (1479, 136577), (1853, 109011), (2289, 88247), (3043, 66381), (3161, 63903), (3451, 58533), (3759, 53737), (5191, 38913), (5559, 36337), (9129, 22127), (9483, 21301), (10353, 19511), (12971, 15573)]