28411149

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 42223104

約数和(自身を除く): 13811955

約数列:

[1, 3, 13, 39, 67, 83, 131, 201, 249, 393, 871, 1079, 1703, 2613, 3237, 5109, 5561, 8777, 10873, 16683, 26331, 32619, 72293, 114101, 141349, 216879, 342303, 424047, 728491, 2185473, 9470383, 28411149]

約数ペア:

[(1, 28411149), (3, 9470383), (13, 2185473), (39, 728491), (67, 424047), (83, 342303), (131, 216879), (201, 141349), (249, 114101), (393, 72293), (871, 32619), (1079, 26331), (1703, 16683), (2613, 10873), (3237, 8777), (5109, 5561)]