51441915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 106375680

約数和(自身を除く): 54933765

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 49, 51, 69, 85, 105, 115, 119, 147, 161, 179, 245, 255, 345, 357, 391, 483, 537, 595, 735, 805, 833, 895, 1127, 1173, 1253, 1785, 1955, 2415, 2499, 2685, 2737, 3043, 3381, 3759, 4117, 4165, 5635, 5865, 6265, 8211, 8771, 9129, 12351, 12495, 13685, 15215, 16905, 18795, 19159, 20585, 21301, 26313, 28819, 41055, 43855, 45645, 57477, 61755, 63903, 69989, 86457, 95795, 106505, 131565, 144095, 149107, 201733, 209967, 287385, 319515, 349945, 432285, 447321, 489923, 605199, 745535, 1008665, 1049835, 1469769, 2236605, 2449615, 3025995, 3429461, 7348845, 10288383, 17147305, 51441915]

約数ペア:

[(1, 51441915), (3, 17147305), (5, 10288383), (7, 7348845), (15, 3429461), (17, 3025995), (21, 2449615), (23, 2236605), (35, 1469769), (49, 1049835), (51, 1008665), (69, 745535), (85, 605199), (105, 489923), (115, 447321), (119, 432285), (147, 349945), (161, 319515), (179, 287385), (245, 209967), (255, 201733), (345, 149107), (357, 144095), (391, 131565), (483, 106505), (537, 95795), (595, 86457), (735, 69989), (805, 63903), (833, 61755), (895, 57477), (1127, 45645), (1173, 43855), (1253, 41055), (1785, 28819), (1955, 26313), (2415, 21301), (2499, 20585), (2685, 19159), (2737, 18795), (3043, 16905), (3381, 15215), (3759, 13685), (4117, 12495), (4165, 12351), (5635, 9129), (5865, 8771), (6265, 8211)]