1917027

素因数分解:

$3^5\times 7^3\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 48

約数和(自身を含む): 3494400

約数和(自身を除く): 1577373

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 189, 207, 243, 343, 441, 483, 567, 621, 1029, 1127, 1323, 1449, 1701, 1863, 3087, 3381, 3969, 4347, 5589, 7889, 9261, 10143, 11907, 13041, 23667, 27783, 30429, 39123, 71001, 83349, 91287, 213003, 273861, 639009, 1917027]

約数ペア:

[(1, 1917027), (3, 639009), (7, 273861), (9, 213003), (21, 91287), (23, 83349), (27, 71001), (49, 39123), (63, 30429), (69, 27783), (81, 23667), (147, 13041), (161, 11907), (189, 10143), (207, 9261), (243, 7889), (343, 5589), (441, 4347), (483, 3969), (567, 3381), (621, 3087), (1029, 1863), (1127, 1701), (1323, 1449)]