26899983

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 17578737

約数列:

[1, 3, 9, 11, 33, 43, 71, 89, 99, 129, 213, 267, 387, 473, 639, 781, 801, 979, 1419, 2343, 2937, 3053, 3827, 4257, 6319, 7029, 8811, 9159, 11481, 18957, 27477, 33583, 34443, 42097, 56871, 69509, 100749, 126291, 208527, 271717, 302247, 378873, 625581, 815151, 2445453, 2988887, 8966661, 26899983]

約数ペア:

[(1, 26899983), (3, 8966661), (9, 2988887), (11, 2445453), (33, 815151), (43, 625581), (71, 378873), (89, 302247), (99, 271717), (129, 208527), (213, 126291), (267, 100749), (387, 69509), (473, 56871), (639, 42097), (781, 34443), (801, 33583), (979, 27477), (1419, 18957), (2343, 11481), (2937, 9159), (3053, 8811), (3827, 7029), (4257, 6319)]