207649575

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 465803520

約数和(自身を除く): 258153945

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 81, 95, 105, 133, 135, 171, 175, 189, 225, 243, 257, 285, 315, 399, 405, 475, 513, 525, 567, 665, 675, 771, 855, 945, 1197, 1215, 1285, 1425, 1539, 1575, 1701, 1799, 1995, 2025, 2313, 2565, 2835, 3325, 3591, 3855, 4275, 4617, 4725, 4883, 5397, 5985, 6075, 6425, 6939, 7695, 8505, 8995, 9975, 10773, 11565, 12825, 14175, 14649, 16191, 17955, 19275, 20817, 23085, 24415, 26985, 29925, 32319, 34181, 34695, 38475, 42525, 43947, 44975, 48573, 53865, 57825, 62451, 73245, 80955, 89775, 102543, 104085, 115425, 122075, 131841, 134925, 145719, 161595, 170905, 173475, 219735, 242865, 269325, 307629, 312255, 366225, 395523, 404775, 437157, 512715, 520425, 659205, 728595, 807975, 854525, 922887, 1098675, 1186569, 1214325, 1538145, 1561275, 1977615, 2185785, 2563575, 2768661, 3296025, 3642975, 4614435, 5932845, 7690725, 8305983, 9888075, 10928925, 13843305, 23072175, 29664225, 41529915, 69216525, 207649575]

約数ペア:

[(1, 207649575), (3, 69216525), (5, 41529915), (7, 29664225), (9, 23072175), (15, 13843305), (19, 10928925), (21, 9888075), (25, 8305983), (27, 7690725), (35, 5932845), (45, 4614435), (57, 3642975), (63, 3296025), (75, 2768661), (81, 2563575), (95, 2185785), (105, 1977615), (133, 1561275), (135, 1538145), (171, 1214325), (175, 1186569), (189, 1098675), (225, 922887), (243, 854525), (257, 807975), (285, 728595), (315, 659205), (399, 520425), (405, 512715), (475, 437157), (513, 404775), (525, 395523), (567, 366225), (665, 312255), (675, 307629), (771, 269325), (855, 242865), (945, 219735), (1197, 173475), (1215, 170905), (1285, 161595), (1425, 145719), (1539, 134925), (1575, 131841), (1701, 122075), (1799, 115425), (1995, 104085), (2025, 102543), (2313, 89775), (2565, 80955), (2835, 73245), (3325, 62451), (3591, 57825), (3855, 53865), (4275, 48573), (4617, 44975), (4725, 43947), (4883, 42525), (5397, 38475), (5985, 34695), (6075, 34181), (6425, 32319), (6939, 29925), (7695, 26985), (8505, 24415), (8995, 23085), (9975, 20817), (10773, 19275), (11565, 17955), (12825, 16191), (14175, 14649)]