28729305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 54872064

約数和(自身を除く): 26142759

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 127, 165, 381, 457, 495, 635, 1143, 1371, 1397, 1905, 2285, 4113, 4191, 5027, 5715, 6855, 6985, 12573, 15081, 20565, 20955, 25135, 45243, 58039, 62865, 75405, 174117, 226215, 290195, 522351, 638429, 870585, 1915287, 2611755, 3192145, 5745861, 9576435, 28729305]

約数ペア:

[(1, 28729305), (3, 9576435), (5, 5745861), (9, 3192145), (11, 2611755), (15, 1915287), (33, 870585), (45, 638429), (55, 522351), (99, 290195), (127, 226215), (165, 174117), (381, 75405), (457, 62865), (495, 58039), (635, 45243), (1143, 25135), (1371, 20955), (1397, 20565), (1905, 15081), (2285, 12573), (4113, 6985), (4191, 6855), (5027, 5715)]