677389905

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 1367331840

約数和(自身を除く): 689941935

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 41, 45, 51, 69, 85, 115, 123, 135, 153, 205, 207, 255, 313, 345, 369, 391, 459, 615, 621, 697, 765, 939, 943, 1035, 1107, 1173, 1565, 1845, 1955, 2091, 2295, 2817, 2829, 3105, 3485, 3519, 4695, 4715, 5321, 5535, 5865, 6273, 7199, 8451, 8487, 10455, 10557, 12833, 14085, 14145, 15963, 16031, 17595, 18819, 21597, 25461, 26605, 31365, 35995, 38499, 42255, 42435, 47889, 48093, 52785, 64165, 64791, 79815, 80155, 94095, 107985, 115497, 122383, 127305, 143667, 144279, 192495, 194373, 218161, 239445, 240465, 295159, 323955, 346491, 367149, 432837, 577485, 611915, 654483, 718335, 721395, 885477, 971865, 1090805, 1101447, 1475795, 1732455, 1835745, 1963449, 2164185, 2656431, 3272415, 3304341, 4427385, 5017703, 5507235, 5890347, 7969293, 9817245, 13282155, 15053109, 16521705, 25088515, 29451735, 39846465, 45159327, 75265545, 135477981, 225796635, 677389905]

約数ペア:

[(1, 677389905), (3, 225796635), (5, 135477981), (9, 75265545), (15, 45159327), (17, 39846465), (23, 29451735), (27, 25088515), (41, 16521705), (45, 15053109), (51, 13282155), (69, 9817245), (85, 7969293), (115, 5890347), (123, 5507235), (135, 5017703), (153, 4427385), (205, 3304341), (207, 3272415), (255, 2656431), (313, 2164185), (345, 1963449), (369, 1835745), (391, 1732455), (459, 1475795), (615, 1101447), (621, 1090805), (697, 971865), (765, 885477), (939, 721395), (943, 718335), (1035, 654483), (1107, 611915), (1173, 577485), (1565, 432837), (1845, 367149), (1955, 346491), (2091, 323955), (2295, 295159), (2817, 240465), (2829, 239445), (3105, 218161), (3485, 194373), (3519, 192495), (4695, 144279), (4715, 143667), (5321, 127305), (5535, 122383), (5865, 115497), (6273, 107985), (7199, 94095), (8451, 80155), (8487, 79815), (10455, 64791), (10557, 64165), (12833, 52785), (14085, 48093), (14145, 47889), (15963, 42435), (16031, 42255), (17595, 38499), (18819, 35995), (21597, 31365), (25461, 26605)]