80521749

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 72

約数和(自身を含む): 152832960

約数和(自身を除く): 72311211

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 121, 147, 189, 231, 297, 363, 441, 503, 539, 693, 847, 1089, 1323, 1509, 1617, 2079, 2541, 3267, 3521, 4527, 4851, 5533, 5929, 7623, 10563, 13581, 14553, 16599, 17787, 22869, 24647, 31689, 38731, 49797, 53361, 60863, 73941, 95067, 116193, 149391, 160083, 182589, 221823, 271117, 348579, 426041, 547767, 665469, 813351, 1045737, 1278123, 1643301, 2440053, 2982287, 3834369, 7320159, 8946861, 11503107, 26840583, 80521749]

約数ペア:

[(1, 80521749), (3, 26840583), (7, 11503107), (9, 8946861), (11, 7320159), (21, 3834369), (27, 2982287), (33, 2440053), (49, 1643301), (63, 1278123), (77, 1045737), (99, 813351), (121, 665469), (147, 547767), (189, 426041), (231, 348579), (297, 271117), (363, 221823), (441, 182589), (503, 160083), (539, 149391), (693, 116193), (847, 95067), (1089, 73941), (1323, 60863), (1509, 53361), (1617, 49797), (2079, 38731), (2541, 31689), (3267, 24647), (3521, 22869), (4527, 17787), (4851, 16599), (5533, 14553), (5929, 13581), (7623, 10563)]