28272105

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 25917975

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 97, 127, 135, 153, 255, 291, 381, 459, 485, 635, 765, 873, 1143, 1455, 1649, 1905, 2159, 2295, 2619, 3429, 4365, 4947, 5715, 6477, 8245, 10795, 12319, 13095, 14841, 17145, 19431, 24735, 32385, 36957, 44523, 58293, 61595, 74205, 97155, 110871, 184785, 209423, 222615, 291465, 332613, 554355, 628269, 1047115, 1663065, 1884807, 3141345, 5654421, 9424035, 28272105]

約数ペア:

[(1, 28272105), (3, 9424035), (5, 5654421), (9, 3141345), (15, 1884807), (17, 1663065), (27, 1047115), (45, 628269), (51, 554355), (85, 332613), (97, 291465), (127, 222615), (135, 209423), (153, 184785), (255, 110871), (291, 97155), (381, 74205), (459, 61595), (485, 58293), (635, 44523), (765, 36957), (873, 32385), (1143, 24735), (1455, 19431), (1649, 17145), (1905, 14841), (2159, 13095), (2295, 12319), (2619, 10795), (3429, 8245), (4365, 6477), (4947, 5715)]