17909073

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 33707520

約数和(自身を除く): 15798447

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 197, 259, 273, 333, 351, 481, 591, 777, 819, 999, 1379, 1443, 1773, 2331, 2457, 2561, 3367, 4137, 4329, 5319, 6993, 7289, 7683, 10101, 12411, 12987, 17927, 21867, 23049, 30303, 37233, 51023, 53781, 65601, 69147, 90909, 94757, 153069, 161343, 196803, 284271, 459207, 484029, 663299, 852813, 1377621, 1989897, 2558439, 5969691, 17909073]

約数ペア:

[(1, 17909073), (3, 5969691), (7, 2558439), (9, 1989897), (13, 1377621), (21, 852813), (27, 663299), (37, 484029), (39, 459207), (63, 284271), (91, 196803), (111, 161343), (117, 153069), (189, 94757), (197, 90909), (259, 69147), (273, 65601), (333, 53781), (351, 51023), (481, 37233), (591, 30303), (777, 23049), (819, 21867), (999, 17927), (1379, 12987), (1443, 12411), (1773, 10101), (2331, 7683), (2457, 7289), (2561, 6993), (3367, 5319), (4137, 4329)]