205717743

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 389256192

約数和(自身を除く): 183538449

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 71, 77, 99, 111, 113, 213, 231, 259, 333, 339, 407, 497, 639, 693, 777, 781, 791, 1017, 1221, 1243, 1491, 2331, 2343, 2373, 2627, 2849, 3663, 3729, 4181, 4473, 5467, 7029, 7119, 7881, 8023, 8547, 8701, 11187, 12543, 16401, 18389, 23643, 24069, 25641, 26103, 28897, 29267, 37629, 45991, 49203, 55167, 56161, 72207, 78309, 86691, 87801, 88253, 137973, 165501, 168483, 202279, 260073, 263403, 264759, 296851, 321937, 413919, 505449, 606837, 617771, 794277, 890553, 965811, 1820511, 1853313, 2077957, 2671659, 2897433, 3265361, 5559939, 6233871, 9796083, 18701613, 22857527, 29388249, 68572581, 205717743]

約数ペア:

[(1, 205717743), (3, 68572581), (7, 29388249), (9, 22857527), (11, 18701613), (21, 9796083), (33, 6233871), (37, 5559939), (63, 3265361), (71, 2897433), (77, 2671659), (99, 2077957), (111, 1853313), (113, 1820511), (213, 965811), (231, 890553), (259, 794277), (333, 617771), (339, 606837), (407, 505449), (497, 413919), (639, 321937), (693, 296851), (777, 264759), (781, 263403), (791, 260073), (1017, 202279), (1221, 168483), (1243, 165501), (1491, 137973), (2331, 88253), (2343, 87801), (2373, 86691), (2627, 78309), (2849, 72207), (3663, 56161), (3729, 55167), (4181, 49203), (4473, 45991), (5467, 37629), (7029, 29267), (7119, 28897), (7881, 26103), (8023, 25641), (8547, 24069), (8701, 23643), (11187, 18389), (12543, 16401)]