20170199721

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{27883}}^1$

素因数の和:27963

約数の個数: 64

約数和(自身を含む): 33906944000

約数和(自身を除く): 13736744279

約数列:

[1, 3, 7, 19, 21, 37, 49, 57, 111, 133, 147, 259, 343, 399, 703, 777, 931, 1029, 1813, 2109, 2793, 4921, 5439, 6517, 12691, 14763, 19551, 27883, 34447, 38073, 83649, 103341, 195181, 241129, 529777, 585543, 723387, 1031671, 1366267, 1589331, 3095013, 3708439, 4098801, 7221697, 9563869, 11125317, 19601749, 21665091, 25959073, 28691607, 50551879, 58805247, 77877219, 137212243, 151655637, 181713511, 353863153, 411636729, 545140533, 960485701, 1061589459, 2881457103, 6723399907, 20170199721]

約数ペア:

[(1, 20170199721), (3, 6723399907), (7, 2881457103), (19, 1061589459), (21, 960485701), (37, 545140533), (49, 411636729), (57, 353863153), (111, 181713511), (133, 151655637), (147, 137212243), (259, 77877219), (343, 58805247), (399, 50551879), (703, 28691607), (777, 25959073), (931, 21665091), (1029, 19601749), (1813, 11125317), (2109, 9563869), (2793, 7221697), (4921, 4098801), (5439, 3708439), (6517, 3095013), (12691, 1589331), (14763, 1366267), (19551, 1031671), (27883, 723387), (34447, 585543), (38073, 529777), (83649, 241129), (103341, 195181)]