25620777

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 47927880

約数和(自身を除く): 22307103

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 91, 109, 117, 123, 147, 273, 287, 327, 369, 441, 533, 637, 763, 819, 861, 981, 1417, 1599, 1911, 2009, 2289, 2583, 3731, 4251, 4469, 4797, 5341, 5733, 6027, 6867, 9919, 11193, 12753, 13407, 16023, 18081, 26117, 29757, 31283, 33579, 40221, 48069, 58097, 69433, 78351, 89271, 93849, 174291, 208299, 218981, 235053, 281547, 406679, 522873, 624897, 656943, 1220037, 1970829, 2846753, 3660111, 8540259, 25620777]

約数ペア:

[(1, 25620777), (3, 8540259), (7, 3660111), (9, 2846753), (13, 1970829), (21, 1220037), (39, 656943), (41, 624897), (49, 522873), (63, 406679), (91, 281547), (109, 235053), (117, 218981), (123, 208299), (147, 174291), (273, 93849), (287, 89271), (327, 78351), (369, 69433), (441, 58097), (533, 48069), (637, 40221), (763, 33579), (819, 31283), (861, 29757), (981, 26117), (1417, 18081), (1599, 16023), (1911, 13407), (2009, 12753), (2289, 11193), (2583, 9919), (3731, 6867), (4251, 6027), (4469, 5733), (4797, 5341)]