28665297

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 43130880

約数和(自身を除く): 14465583

約数列:

[1, 3, 9, 31, 93, 127, 279, 381, 809, 1143, 2427, 3937, 7281, 11811, 25079, 35433, 75237, 102743, 225711, 308229, 924687, 3185033, 9555099, 28665297]

約数ペア:

[(1, 28665297), (3, 9555099), (9, 3185033), (31, 924687), (93, 308229), (127, 225711), (279, 102743), (381, 75237), (809, 35433), (1143, 25079), (2427, 11811), (3937, 7281)]