201211731

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 345047040

約数和(自身を除く): 143835309

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 269, 279, 383, 651, 807, 1149, 1883, 1953, 2421, 2681, 3447, 5649, 8043, 8339, 11873, 16947, 24129, 25017, 35619, 58373, 75051, 83111, 103027, 106857, 175119, 249333, 309081, 525357, 721189, 747999, 927243, 2163567, 3193837, 6490701, 9581511, 22356859, 28744533, 67070577, 201211731]

約数ペア:

[(1, 201211731), (3, 67070577), (7, 28744533), (9, 22356859), (21, 9581511), (31, 6490701), (63, 3193837), (93, 2163567), (217, 927243), (269, 747999), (279, 721189), (383, 525357), (651, 309081), (807, 249333), (1149, 175119), (1883, 106857), (1953, 103027), (2421, 83111), (2681, 75051), (3447, 58373), (5649, 35619), (8043, 25017), (8339, 24129), (11873, 16947)]