28368495

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26374545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 135, 141, 153, 235, 255, 263, 423, 459, 705, 765, 789, 799, 1269, 1315, 2115, 2295, 2367, 2397, 3945, 3995, 4471, 6345, 7101, 7191, 11835, 11985, 12361, 13413, 21573, 22355, 35505, 35955, 37083, 40239, 61805, 67065, 107865, 111249, 120717, 185415, 201195, 210137, 333747, 556245, 603585, 630411, 1050685, 1668735, 1891233, 3152055, 5673699, 9456165, 28368495]

約数ペア:

[(1, 28368495), (3, 9456165), (5, 5673699), (9, 3152055), (15, 1891233), (17, 1668735), (27, 1050685), (45, 630411), (47, 603585), (51, 556245), (85, 333747), (135, 210137), (141, 201195), (153, 185415), (235, 120717), (255, 111249), (263, 107865), (423, 67065), (459, 61805), (705, 40239), (765, 37083), (789, 35955), (799, 35505), (1269, 22355), (1315, 21573), (2115, 13413), (2295, 12361), (2367, 11985), (2397, 11835), (3945, 7191), (3995, 7101), (4471, 6345)]