289350243

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 536792256

約数和(自身を除く): 247442013

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 91, 117, 123, 147, 273, 287, 369, 441, 533, 637, 819, 861, 1231, 1599, 1911, 2009, 2583, 3693, 3731, 4797, 5733, 6027, 8617, 11079, 11193, 16003, 18081, 25851, 26117, 33579, 48009, 50471, 60319, 77553, 78351, 112021, 144027, 151413, 180957, 235053, 336063, 353297, 454239, 542871, 656123, 784147, 1008189, 1059891, 1968369, 2352441, 2473079, 3179673, 4592861, 5905107, 7057323, 7419237, 13778583, 22257711, 32150027, 41335749, 96450081, 289350243]

約数ペア:

[(1, 289350243), (3, 96450081), (7, 41335749), (9, 32150027), (13, 22257711), (21, 13778583), (39, 7419237), (41, 7057323), (49, 5905107), (63, 4592861), (91, 3179673), (117, 2473079), (123, 2352441), (147, 1968369), (273, 1059891), (287, 1008189), (369, 784147), (441, 656123), (533, 542871), (637, 454239), (819, 353297), (861, 336063), (1231, 235053), (1599, 180957), (1911, 151413), (2009, 144027), (2583, 112021), (3693, 78351), (3731, 77553), (4797, 60319), (5733, 50471), (6027, 48009), (8617, 33579), (11079, 26117), (11193, 25851), (16003, 18081)]