15565527

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 24596880

約数和(自身を除く): 9031353

約数列:

[1, 3, 9, 27, 41, 43, 81, 109, 123, 129, 327, 369, 387, 981, 1107, 1161, 1763, 2943, 3321, 3483, 4469, 4687, 5289, 8829, 13407, 14061, 15867, 40221, 42183, 47601, 120663, 126549, 142803, 192167, 361989, 379647, 576501, 1729503, 5188509, 15565527]

約数ペア:

[(1, 15565527), (3, 5188509), (9, 1729503), (27, 576501), (41, 379647), (43, 361989), (81, 192167), (109, 142803), (123, 126549), (129, 120663), (327, 47601), (369, 42183), (387, 40221), (981, 15867), (1107, 14061), (1161, 13407), (1763, 8829), (2943, 5289), (3321, 4687), (3483, 4469)]