38813775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 88660992

約数和(自身を除く): 49847217

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 47, 55, 65, 75, 77, 91, 105, 121, 141, 143, 165, 175, 195, 231, 235, 273, 275, 325, 329, 363, 385, 429, 455, 517, 525, 605, 611, 705, 715, 825, 847, 975, 987, 1001, 1155, 1175, 1365, 1551, 1573, 1645, 1815, 1833, 1925, 2145, 2275, 2541, 2585, 3003, 3025, 3055, 3525, 3575, 3619, 4235, 4277, 4719, 4935, 5005, 5687, 5775, 6721, 6825, 7755, 7865, 8225, 9075, 9165, 10725, 10857, 11011, 12705, 12831, 12925, 15015, 15275, 17061, 18095, 20163, 21175, 21385, 23595, 24675, 25025, 28435, 33033, 33605, 38775, 39325, 39809, 45825, 47047, 54285, 55055, 63525, 64155, 73931, 75075, 85305, 90475, 100815, 106925, 117975, 119427, 141141, 142175, 165165, 168025, 199045, 221793, 235235, 271425, 275275, 320775, 369655, 426525, 504075, 517517, 597135, 705705, 825825, 995225, 1108965, 1176175, 1552551, 1848275, 2587585, 2985675, 3528525, 5544825, 7762755, 12937925, 38813775]

約数ペア:

[(1, 38813775), (3, 12937925), (5, 7762755), (7, 5544825), (11, 3528525), (13, 2985675), (15, 2587585), (21, 1848275), (25, 1552551), (33, 1176175), (35, 1108965), (39, 995225), (47, 825825), (55, 705705), (65, 597135), (75, 517517), (77, 504075), (91, 426525), (105, 369655), (121, 320775), (141, 275275), (143, 271425), (165, 235235), (175, 221793), (195, 199045), (231, 168025), (235, 165165), (273, 142175), (275, 141141), (325, 119427), (329, 117975), (363, 106925), (385, 100815), (429, 90475), (455, 85305), (517, 75075), (525, 73931), (605, 64155), (611, 63525), (705, 55055), (715, 54285), (825, 47047), (847, 45825), (975, 39809), (987, 39325), (1001, 38775), (1155, 33605), (1175, 33033), (1365, 28435), (1551, 25025), (1573, 24675), (1645, 23595), (1815, 21385), (1833, 21175), (1925, 20163), (2145, 18095), (2275, 17061), (2541, 15275), (2585, 15015), (3003, 12925), (3025, 12831), (3055, 12705), (3525, 11011), (3575, 10857), (3619, 10725), (4235, 9165), (4277, 9075), (4719, 8225), (4935, 7865), (5005, 7755), (5687, 6825), (5775, 6721)]