28955619

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 54632448

約数和(自身を除く): 25676829

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 49, 63, 77, 99, 127, 141, 147, 231, 329, 381, 423, 441, 517, 539, 693, 889, 987, 1143, 1397, 1551, 1617, 2303, 2667, 2961, 3619, 4191, 4653, 4851, 5969, 6223, 6909, 8001, 9779, 10857, 12573, 17907, 18669, 20727, 25333, 29337, 32571, 41783, 53721, 56007, 65659, 68453, 75999, 88011, 125349, 196977, 205359, 227997, 292481, 376047, 459613, 590931, 616077, 877443, 1378839, 2632329, 3217291, 4136517, 9651873, 28955619]

約数ペア:

[(1, 28955619), (3, 9651873), (7, 4136517), (9, 3217291), (11, 2632329), (21, 1378839), (33, 877443), (47, 616077), (49, 590931), (63, 459613), (77, 376047), (99, 292481), (127, 227997), (141, 205359), (147, 196977), (231, 125349), (329, 88011), (381, 75999), (423, 68453), (441, 65659), (517, 56007), (539, 53721), (693, 41783), (889, 32571), (987, 29337), (1143, 25333), (1397, 20727), (1551, 18669), (1617, 17907), (2303, 12573), (2667, 10857), (2961, 9779), (3619, 8001), (4191, 6909), (4653, 6223), (4851, 5969)]