291260745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 552096000

約数和(自身を除く): 260835255

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 179, 255, 459, 537, 709, 765, 895, 1611, 2127, 2295, 2685, 3043, 3545, 4833, 6381, 8055, 9129, 10635, 12053, 15215, 19143, 24165, 27387, 31905, 36159, 45645, 60265, 82161, 95715, 108477, 126911, 136935, 180795, 325431, 380733, 410805, 542385, 634555, 1142199, 1627155, 1903665, 2157487, 3426597, 5710995, 6472461, 10787435, 17132985, 19417383, 32362305, 58252149, 97086915, 291260745]

約数ペア:

[(1, 291260745), (3, 97086915), (5, 58252149), (9, 32362305), (15, 19417383), (17, 17132985), (27, 10787435), (45, 6472461), (51, 5710995), (85, 3426597), (135, 2157487), (153, 1903665), (179, 1627155), (255, 1142199), (459, 634555), (537, 542385), (709, 410805), (765, 380733), (895, 325431), (1611, 180795), (2127, 136935), (2295, 126911), (2685, 108477), (3043, 95715), (3545, 82161), (4833, 60265), (6381, 45645), (8055, 36159), (9129, 31905), (10635, 27387), (12053, 24165), (15215, 19143)]