28621065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 50544000

約数和(自身を除く): 21922935

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 1949, 2937, 4895, 5847, 9745, 14685, 21439, 29235, 64317, 107195, 173461, 321585, 520383, 867305, 1908071, 2601915, 5724213, 9540355, 28621065]

約数ペア:

[(1, 28621065), (3, 9540355), (5, 5724213), (11, 2601915), (15, 1908071), (33, 867305), (55, 520383), (89, 321585), (165, 173461), (267, 107195), (445, 64317), (979, 29235), (1335, 21439), (1949, 14685), (2937, 9745), (4895, 5847)]