28993653

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 21567627

約数列:

[1, 3, 9, 13, 17, 27, 39, 43, 51, 113, 117, 129, 153, 221, 339, 351, 387, 459, 559, 663, 731, 1017, 1161, 1469, 1677, 1921, 1989, 2193, 3051, 4407, 4859, 5031, 5763, 5967, 6579, 9503, 13221, 14577, 15093, 17289, 19737, 24973, 28509, 39663, 43731, 51867, 63167, 74919, 82603, 85527, 131193, 189501, 224757, 247809, 256581, 568503, 674271, 743427, 1073839, 1705509, 2230281, 3221517, 9664551, 28993653]

約数ペア:

[(1, 28993653), (3, 9664551), (9, 3221517), (13, 2230281), (17, 1705509), (27, 1073839), (39, 743427), (43, 674271), (51, 568503), (113, 256581), (117, 247809), (129, 224757), (153, 189501), (221, 131193), (339, 85527), (351, 82603), (387, 74919), (459, 63167), (559, 51867), (663, 43731), (731, 39663), (1017, 28509), (1161, 24973), (1469, 19737), (1677, 17289), (1921, 15093), (1989, 14577), (2193, 13221), (3051, 9503), (4407, 6579), (4859, 5967), (5031, 5763)]