128503935

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 291686400

約数和(自身を除く): 163182465

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 135, 153, 171, 189, 255, 285, 315, 323, 357, 399, 421, 459, 513, 595, 665, 765, 855, 945, 969, 1071, 1197, 1263, 1615, 1785, 1995, 2105, 2261, 2295, 2565, 2907, 2947, 3213, 3591, 3789, 4845, 5355, 5985, 6315, 6783, 7157, 7999, 8721, 8841, 11305, 11367, 14535, 14735, 16065, 17955, 18945, 20349, 21471, 23997, 26523, 33915, 35785, 39995, 43605, 44205, 50099, 55993, 56835, 61047, 64413, 71991, 79569, 101745, 107355, 119985, 132615, 135983, 150297, 167979, 193239, 215973, 250495, 279965, 305235, 322065, 359955, 397845, 407949, 450891, 503937, 679915, 751485, 839895, 951881, 966195, 1079865, 1223847, 1352673, 1511811, 2039745, 2254455, 2519685, 2855643, 3671541, 4759405, 6119235, 6763365, 7559055, 8566929, 14278215, 18357705, 25700787, 42834645, 128503935]

約数ペア:

[(1, 128503935), (3, 42834645), (5, 25700787), (7, 18357705), (9, 14278215), (15, 8566929), (17, 7559055), (19, 6763365), (21, 6119235), (27, 4759405), (35, 3671541), (45, 2855643), (51, 2519685), (57, 2254455), (63, 2039745), (85, 1511811), (95, 1352673), (105, 1223847), (119, 1079865), (133, 966195), (135, 951881), (153, 839895), (171, 751485), (189, 679915), (255, 503937), (285, 450891), (315, 407949), (323, 397845), (357, 359955), (399, 322065), (421, 305235), (459, 279965), (513, 250495), (595, 215973), (665, 193239), (765, 167979), (855, 150297), (945, 135983), (969, 132615), (1071, 119985), (1197, 107355), (1263, 101745), (1615, 79569), (1785, 71991), (1995, 64413), (2105, 61047), (2261, 56835), (2295, 55993), (2565, 50099), (2907, 44205), (2947, 43605), (3213, 39995), (3591, 35785), (3789, 33915), (4845, 26523), (5355, 23997), (5985, 21471), (6315, 20349), (6783, 18945), (7157, 17955), (7999, 16065), (8721, 14735), (8841, 14535), (11305, 11367)]