28126189485

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{255217}}^1$

素因数の和:255338

約数の個数: 48

約数和(自身を含む): 50961930240

約数和(自身を除く): 22835740755

約数列:

[1, 3, 5, 9, 15, 31, 45, 79, 93, 155, 237, 279, 395, 465, 711, 1185, 1395, 2449, 3555, 7347, 12245, 22041, 36735, 110205, 255217, 765651, 1276085, 2296953, 3828255, 7911727, 11484765, 20162143, 23735181, 39558635, 60486429, 71205543, 100810715, 118675905, 181459287, 302432145, 356027715, 625026433, 907296435, 1875079299, 3125132165, 5625237897, 9375396495, 28126189485]

約数ペア:

[(1, 28126189485), (3, 9375396495), (5, 5625237897), (9, 3125132165), (15, 1875079299), (31, 907296435), (45, 625026433), (79, 356027715), (93, 302432145), (155, 181459287), (237, 118675905), (279, 100810715), (395, 71205543), (465, 60486429), (711, 39558635), (1185, 23735181), (1395, 20162143), (2449, 11484765), (3555, 7911727), (7347, 3828255), (12245, 2296953), (22041, 1276085), (36735, 765651), (110205, 255217)]