218959065

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 457228800

約数和(自身を除く): 238269735

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 41, 45, 51, 65, 85, 117, 123, 135, 153, 179, 195, 205, 221, 255, 351, 369, 459, 533, 537, 585, 615, 663, 697, 765, 895, 1105, 1107, 1599, 1611, 1755, 1845, 1989, 2091, 2295, 2327, 2665, 2685, 3043, 3315, 3485, 4797, 4833, 5535, 5967, 6273, 6981, 7339, 7995, 8055, 9061, 9129, 9945, 10455, 11635, 14391, 15215, 18819, 20943, 22017, 23985, 24165, 27183, 27387, 29835, 31365, 34905, 36695, 39559, 45305, 45645, 62829, 66051, 71955, 81549, 82161, 94095, 95407, 104715, 110085, 118677, 124763, 135915, 136935, 197795, 198153, 244647, 286221, 314145, 330255, 356031, 374289, 407745, 410805, 477035, 593385, 623815, 858663, 990765, 1068093, 1122867, 1223235, 1431105, 1621919, 1780155, 1871445, 2575989, 3368601, 4293315, 4865757, 5340465, 5614335, 8109595, 12879945, 14597271, 16843005, 24328785, 43791813, 72986355, 218959065]

約数ペア:

[(1, 218959065), (3, 72986355), (5, 43791813), (9, 24328785), (13, 16843005), (15, 14597271), (17, 12879945), (27, 8109595), (39, 5614335), (41, 5340465), (45, 4865757), (51, 4293315), (65, 3368601), (85, 2575989), (117, 1871445), (123, 1780155), (135, 1621919), (153, 1431105), (179, 1223235), (195, 1122867), (205, 1068093), (221, 990765), (255, 858663), (351, 623815), (369, 593385), (459, 477035), (533, 410805), (537, 407745), (585, 374289), (615, 356031), (663, 330255), (697, 314145), (765, 286221), (895, 244647), (1105, 198153), (1107, 197795), (1599, 136935), (1611, 135915), (1755, 124763), (1845, 118677), (1989, 110085), (2091, 104715), (2295, 95407), (2327, 94095), (2665, 82161), (2685, 81549), (3043, 71955), (3315, 66051), (3485, 62829), (4797, 45645), (4833, 45305), (5535, 39559), (5967, 36695), (6273, 34905), (6981, 31365), (7339, 29835), (7995, 27387), (8055, 27183), (9061, 24165), (9129, 23985), (9945, 22017), (10455, 20943), (11635, 18819), (14391, 15215)]